Check version has been updated when publishing a release

Rather than updating the version, check that it has been. We need the
update in the branch itself so that the toolchain version is also
updated.

Author: bnbarham

.github/workflows/publish_release.yml

@@ -67,6 +67,9 @@ jobs:
           echo "swift_format_version=$SWIFT_FORMAT_VERSION" >> "$GITHUB_OUTPUT"
       - name: Checkout repository
         uses: actions/checkout@v4
+      - name: Check version updated
+        run: |
+          grep '"${{ steps.swift_format_version.outputs.swift_format_version }}"' Sources/swift-format/PrintVersion.swift
       - name: Create release commits
         id: create_release_commits
         run: |
@@ -81,10 +84,6 @@ jobs:
           git add Package.swift
           git commit -m "Change swift-syntax dependency to ${{ steps.swift_syntax_tag.outputs.swift_syntax_tag }}"
 
-          sed -E -i "s#print\(\".*\"\)#print\(\"${{ steps.swift_format_version.outputs.swift_format_version }}\"\)#" Sources/swift-format/PrintVersion.swift
-          git add Sources/swift-format/PrintVersion.swift
-          git commit -m "Change version to ${{ steps.swift_format_version.outputs.swift_format_version }}"
-
           {
             echo 'release_commit_patch<<EOF'
             git format-patch "$BASE_COMMIT"..HEAD --stdout