Update grpc/kotlin to v1.4.1 (#917)

plugins/grpc/kotlin/v1.4.1/.dockerignore

@@ -0,0 +1,2 @@
+*
+!Dockerfile

plugins/grpc/kotlin/v1.4.1/Dockerfile

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+# syntax=docker/dockerfile:1.4
+FROM debian:bullseye-20231030 AS build
+
+ARG TARGETARCH
+
+WORKDIR /build
+RUN apt-get update \
+ && apt-get install -y curl
+RUN curl -fsSL -o protoc-gen-grpc-kotlin.jar https://repo1.maven.org/maven2/io/grpc/protoc-gen-grpc-kotlin/1.4.1/protoc-gen-grpc-kotlin-1.4.1-jdk8.jar
+
+FROM gcr.io/distroless/java11-debian11
+COPY --from=build --link --chmod=0644 --chown=root:root /build/protoc-gen-grpc-kotlin.jar .
+USER nobody
+ENTRYPOINT [ "/usr/bin/java", "-jar", "/protoc-gen-grpc-kotlin.jar" ]

plugins/grpc/kotlin/v1.4.1/buf.plugin.yaml

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+version: v1
+name: buf.build/grpc/kotlin
+plugin_version: v1.4.1
+source_url: https://github.com/grpc/grpc-kotlin
+integration_guide_url: https://grpc.io/docs/languages/kotlin/quickstart
+description: Generates Kotlin client and server stubs for the gRPC framework.
+deps:
+  - plugin: buf.build/grpc/java:v1.59.0
+  - plugin: buf.build/protocolbuffers/kotlin:v24.4
+output_languages:
+  - kotlin
+spdx_license_id: Apache-2.0
+license_url: https://github.com/grpc/grpc-kotlin/blob/v1.4.1/LICENSE
+registry:
+  maven:
+    compiler:
+      kotlin:
+        version: 1.8.22
+    deps:
+      - io.grpc:grpc-kotlin-stub:1.4.1
+      - org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.7.3
+    additional_runtimes:
+      - name: lite
+        opts: [lite]

tests/testdata/buf.build/grpc/kotlin/v1.4.1/eliza/plugin.sum

@@ -0,0 +1 @@
+h1:eGkdYnWmOE6Hw+ctlTJR9Ual4tgbdXC0sx26StBg5GY=

tests/testdata/buf.build/grpc/kotlin/v1.4.1/petapis/plugin.sum

@@ -0,0 +1 @@
+h1:BLbOuNRdRzQfNjfUsjpcuq1IeExdjug5p3FlndTUbW0=