fix: multiline comment regression

.github/workflows/ci.yml

@@ -36,10 +36,6 @@ jobs:
       - uses: actions/checkout@v3
         with:
           ref: main
-      - uses: actions/download-artifact@v3
-        with:
-          name: action.yml
-          path: .
 
       - name: Create change
         run: date +%s > report.txt
@@ -58,9 +54,16 @@ jobs:
             [1]: https://github.com/peter-evans/create-pull-request
           branch: ci-test-${{ matrix.os }}-${{ github.sha }}
 
+      - uses: actions/download-artifact@v3
+        with:
+          name: action.yml
+          path: .
+
       - name: Close Pull
         uses: ./
         with:
           pull-request-number: ${{ steps.cpr.outputs.pull-request-number }}
-          comment: '[CI] test ${{ matrix.os }}'
+          comment: |
+            [CI]
+            test ${{ matrix.os }}
           delete-branch: true

action.yml

@@ -23,7 +23,11 @@ runs:
       shell: bash
       run: |
         if [ -n "${{ inputs.comment }}" ]; then
-          echo comment="--comment \"${{ inputs.comment }}\"" >> $GITHUB_OUTPUT
+          comment="--comment \"${{ inputs.comment }}\""
+          delimiter="$(openssl rand -hex 8)"
+          echo "comment<<$delimiter" >> $GITHUB_OUTPUT
+          echo "$comment" >> $GITHUB_OUTPUT
+          echo "$delimiter" >> $GITHUB_OUTPUT
         fi
         if [ "${{ inputs.delete-branch }}" = true ]; then
           echo delete-branch="--delete-branch" >> $GITHUB_OUTPUT