refactor: combine apt-get installs in ci setup

.github/workflows/push_latest.yml

@@ -54,10 +54,9 @@ jobs:
     steps:
     - name: Install GNU parallel, shellcheck, and apptainer
       run: |
-        sudo apt-get install --no-install-recommends -y parallel shellcheck software-properties-common
         sudo add-apt-repository -y ppa:apptainer/ppa
         sudo apt update
-        sudo apt install -y apptainer
+        sudo apt-get install --no-install-recommends -y parallel shellcheck software-properties-common apptainer
     - name: Setup nox
       uses: wntrblm/nox@5656fcedc31a1ea37d016e4d94d00185330cc528
     - name: Checkout source
@@ -120,6 +119,7 @@ jobs:
           mambaorg/micromamba
           ghcr.io/mamba-org/micromamba
         flavor: latest=false
+        # This comment provides a summary of the tags generated by this action:
         # latest
         # base_image
         # alpine
@@ -158,7 +158,7 @@ jobs:
         registry: ghcr.io
         username: ${{ github.repository_owner }}
         password: ${{ secrets.GITHUB_TOKEN }}
-    - name: Build Docker images
+    - name: Build Docker images but do not push them yet
       id: docker_build
       uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85
       env: