fix: still github actions

.github/workflows/update_go_modules.yml

@@ -76,7 +76,6 @@ jobs:
             BRANCH_NAME="update-go-modules-$TIMESTAMP"
             git checkout -b $BRANCH_NAME
             git add go.mod go.sum
-            git diff --name-only --cached
             git commit -m "Update Go modules and Go version to the latest version"
             git push --set-upstream origin $BRANCH_NAME
             echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
@@ -96,11 +95,8 @@ jobs:
           if [ "${{ env.GO_VERSION_UPDATED }}" == "true" ]; then
             echo "Go version updated from ${{ env.CURRENT_GO_VERSION }} to ${{ env.LATEST_GO_VERSION }}" >> pr_body.md
           fi
-          cat pr_body.md
-        shell: bash
-      - name: Read PR body
-        id: read_pr_body
-        run: echo "PR_BODY=$(<pr_body.md)" >> $GITHUB_ENV
+          pr_body=$(<pr_body.md)
+          echo "::set-output name=pr_body::$pr_body"
 
       - name: Create Pull Request
         if: env.exit_code == '1'
@@ -111,5 +107,5 @@ jobs:
           branch: ${{ env.BRANCH_NAME }}
           base: main
           title: Update Go modules and Go version
-          body: ${{ env.PR_BODY }}
+          body: ${{ steps.generate_pr_body.outputs.pr_body }}
           labels: go-modules, automated-update