CI: Fix a spelling error in (almost) every Dockerfile

ci/centos-stream-9/Dockerfile

@@ -1,6 +1,6 @@
 FROM quay.io/centos/centos:stream9
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20220519
 

ci/debian-10/Dockerfile

@@ -2,7 +2,7 @@ FROM debian:10
 
 ENV DEBIAN_FRONTEND="noninteractive" TZ="America/Los_Angeles"
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230813
 

ci/debian-11/Dockerfile

@@ -2,7 +2,7 @@ FROM debian:11
 
 ENV DEBIAN_FRONTEND="noninteractive" TZ="America/Los_Angeles"
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230813
 

ci/debian-12/Dockerfile

@@ -2,7 +2,7 @@ FROM debian:12
 
 ENV DEBIAN_FRONTEND="noninteractive" TZ="America/Los_Angeles"
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230612
 

ci/fedora-35/Dockerfile

@@ -1,6 +1,6 @@
 FROM fedora:35
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20220519
 

ci/fedora-37/Dockerfile

@@ -1,6 +1,6 @@
 FROM fedora:37
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230813
 

ci/fedora-38/Dockerfile

@@ -1,6 +1,6 @@
 FROM fedora:38
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230813
 

ci/opensuse-leap-15.4/Dockerfile

@@ -1,6 +1,6 @@
 FROM opensuse/leap:15.4
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20220615
 

ci/opensuse-leap-15.5/Dockerfile

@@ -1,6 +1,6 @@
 FROM opensuse/leap:15.5
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230612
 

ci/opensuse-tumbleweed/Dockerfile

@@ -1,6 +1,6 @@
 FROM opensuse/tumbleweed
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230329
 

ci/ubuntu-18.04/Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:18.04
 
 ENV DEBIAN_FRONTEND="noninteractive" TZ="America/Los_Angeles"
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20220519
 

ci/ubuntu-20.04/Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:20.04
 
 ENV DEBIAN_FRONTEND="noninteractive" TZ="America/Los_Angeles"
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20220519
 

ci/ubuntu-22.04/Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND="noninteractive" TZ="America/Los_Angeles"
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230813
 

ci/ubuntu-22.10/Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:22.10
 
 ENV DEBIAN_FRONTEND="noninteractive" TZ="America/Los_Angeles"
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230813
 

ci/windows/Dockerfile

@@ -16,7 +16,7 @@
 
 FROM mcr.microsoft.com/dotnet/framework/sdk:4.8-windowsservercore-ltsc2019
 
-# A version field to invalide Cirrus's build cache when needed, as suggested in
+# A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
 ENV DOCKERFILE_VERSION 20230728