ci: remove checkout to master branch step

.github/workflows/publish.yml

@@ -58,7 +58,7 @@ jobs:
           version=$(echo ${GITHUB_REF} | sed 's/^refs\/tags\/v\(.*\)$/\1/')
           echo "VERSION=${version}" >> $GITHUB_OUTPUT
 
-      - name: Validate version format
+      - name: Validate extracted version format
         run: |
           version=${{ steps.extract_version.outputs.VERSION }}
           if [[ ! $version =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z.-]+)?(\+[0-9A-Za-z.-]+)?$ ]]; then
@@ -69,18 +69,15 @@ jobs:
       - name: Update the version & CHANGELOG for all the packages
         run: dart ./scripts/regenerate_versions.dart ${{ steps.extract_version.outputs.VERSION }}
 
-      - name: Checkout to the master branch
-        run: git checkout master
-
       - name: Commit the changes of the updated version & CHANGELOG for all the packages
         id: auto-commit-action
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
           commit_message: "chore(version): update to version ${{ steps.extract_version.outputs.VERSION }}"
 
-      - name: Run if changes have been detected
+      - name: Check if changes have been done
         if: steps.auto-commit-action.outputs.changes_detected == 'true'
-        run: echo "The changes of the previous step has been done."
+        run: echo "The changes of the previous step have been done"
 
       - name: Check if package is ready for publishing
         run: flutter pub publish --dry-run