Make dockerfile dependabot compatible

See dependabot/dependabot-core#6067

.config/Containerfile → .config/Dockerfile

@@ -3,3 +3,6 @@ FROM quay.io/ansible/creator-ee:v0.21.0 as DEFAULT_EE
 # version of creator-ee we are supposed to use for testing execution
 # environments but also to dynamically retrieve the same set of constraints
 # for testing outside execution environments.
+#
+# Do not rename this file to Containerfile due to
+# https://github.com/dependabot/dependabot-core/issues/6067

.github/workflows/task.yml

@@ -120,7 +120,7 @@ jobs:
             ${{ runner.os }}-${{ matrix.task-name }}-${{ hashFiles(
             'package.json',
             'package-lock.json',
-            '.config/Containerfile'
+            '.config/Dockerfile'
             ) }}
 
       - name: Enable caching for podman-machine
@@ -130,7 +130,7 @@ jobs:
           path: |
             ~/.local/share/containers
             ~/.config/containers
-          key: ${{ runner.os }}-${{ matrix.task-name }}-${{ hashFiles('package.json', 'yarn.lock', '.config/Containerfile', '**/Taskfile.yml', 'tools/*.*') }}
+          key: ${{ runner.os }}-${{ matrix.task-name }}-${{ hashFiles('package.json', 'yarn.lock', '.config/Dockerfile', '**/Taskfile.yml', 'tools/*.*') }}
 
       - name: Install Task
         if: "!contains(matrix.shell, 'wsl')"

tools/get-image-version

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 version = "latest"
 # read image version from dockerfile
-with open(".config/Containerfile", "r") as f:
+with open(".config/Dockerfile", "r") as f:
     for line in f:
         if line.startswith("FROM"):
             version = line.split()[1].split()[0].split(":")[1]

tools/test-setup.sh

@@ -192,7 +192,7 @@ python3 -m pip install -q -U pip
 EE_VERSION=$(./tools/get-image-version)
 if [[ $(uname || true) != MINGW* ]]; then # if we are not on pure Windows
     URL="https://raw.githubusercontent.com/ansible/creator-ee/${EE_VERSION}/_build/requirements.txt"
-    log notice "Installing dependencies from .config/requirements.in and ${URL} loaded from .config/Containerfile ..."
+    log notice "Installing dependencies from .config/requirements.in and ${URL} loaded from .config/Dockerfile ..."
 
     if [[ "${OS:-}" == "darwin" ]]; then
         log notice "MacOS detected, altering CFLAGS to avoid potential build failure due to https://github.com/ansible/pylibssh/issues/207 ..."