Create wokflow to update ORAS_VERSION via auto-PR

.github/workflows/update-tools.yml

@@ -0,0 +1,81 @@
+name: Update Tools in Scripts
+
+permissions:
+  contents: write
+  pull-requests: write
+
+on:
+  workflow_dispatch:
+
+  push:
+    branches:
+      - 'test-workflow-update-oras'
+
+  schedule:
+    - cron: '0 3 16 * *' # Run monthly at 03:00 AM, on the 16th day of the month
+
+jobs:
+  update-version-oras:
+    name: Update ORAS version
+    runs-on: ubuntu-latest
+
+    env:
+      USER_NAME: "oras-project"                 # GitHub user name
+      REPO_NAME: "oras"                         # GitHub repo name
+      PROJECT_NAME: "oras-project/oras"         # This is always USER_NAME/REPO_NAME (like in the GitHub URL)
+      FILE: "lib/functions/general/oci-oras.sh" # Where the version variable of the tool is saved
+      VERSION_VAR: "ORAS_VERSION"               # Version variable how it appears in the script
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Get current ${{ env.PROJECT_NAME }} version
+        id: get-version-current
+        run: |
+          version_current=$(grep -Po '(?<=${{ env.VERSION_VAR}}=\${${{ env.VERSION_VAR}}:-)[0-9.]+(?=})' ${{ env.FILE }})
+          echo "version_current=$version_current" >> $GITHUB_OUTPUT
+
+      - name: Get latest ${{ env.PROJECT_NAME }} version
+        id: get-version-latest
+        # Multi-line string for CHANGE_LOG env, see https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#multiline-strings
+        # Further exmplanation for the CHANGE_LOG env:
+        # The first 'sed' expression replaces "#123" with "username/repo#123" to prevent auto-linking to own repo
+        # The second 'sed' expression adds redirect.github.com to prevent "This was referenced" in the external repo's PRs/issues
+        run: |
+          version_latest=$(curl --silent "https://api.github.com/repos/${{ env.PROJECT_NAME }}/releases/latest" | jq -r .tag_name)
+          version_latest=${version_latest#v}                        # Removing the 'v' prefix since the script uses only plain numbers
+          echo "version_latest=$version_latest" >> $GITHUB_OUTPUT                                                                                
+          {
+            echo "CHANGE_LOG<<EOFFEOFFF42"                          # Has to be a unique delimiter that doesn't appear in the changelog itself
+            curl --silent "https://api.github.com/repos/${{ env.PROJECT_NAME }}/releases/latest" | jq -r .body | \
+            sed -E -e 's/(#([0-9]+))/${{ env.USER_NAME }}\/${{ env.REPO_NAME }}\1/g' \
+            -e 's/github\.com/redirect.github.com/g'
+            echo "EOFFEOFFF42"
+          } >> "$GITHUB_ENV"
+
+      - name: Update ${{ env.VERSION_VAR}} in script
+        run: |
+          version_latest=${{ steps.get-version-latest.outputs.version_latest }}
+          sed -i "s/${{ env.VERSION_VAR}}=\${${{ env.VERSION_VAR}}:-[0-9.]*}/${{ env.VERSION_VAR}}=\${${{ env.VERSION_VAR}}:-$version_latest}/g" ${{ env.FILE }}
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "Update `${{ env.VERSION_VAR}}` to ${{ steps.get-version-latest.outputs.version_latest }}"
+          branch: update-version-${{ env.PROJECT_NAME }}-${{ steps.get-version-latest.outputs.version_latest }}
+          title: "Bump `${{ env.VERSION_VAR}}` from ${{ steps.get-version-current.outputs.version_current }} to ${{ steps.get-version-latest.outputs.version_latest }}"
+          body: |
+            Bumps `${{ env.VERSION_VAR}}` from ${{ steps.get-version-current.outputs.version_current }} to ${{ steps.get-version-latest.outputs.version_latest }}.
+            
+            <details><summary><b>Release notes</b></summary>
+            <p><em>Sourced from <a href="https://github.com/${{ env.PROJECT_NAME }}/releases">${{ env.PROJECT_NAME }}'s releases</a>.
+            Please note that this only shows the release notes for the latest release.</em></p>
+            <blockquote>
+
+            ${{ env.CHANGE_LOG }}
+
+            </blockquote>
+            </details>
+          labels: update, automated pr