Fix CI once again

.github/workflows/changelog-check.yml

@@ -6,28 +6,17 @@ on:
 
 jobs:
   changelog-check:
-    if: github.event_name == 'pull_request' || github.event.issue.pull_request
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
 
     steps:
-      - name: PR number
-        id: pr-number
-        run: |
-          if [ "${{ github.event_name }}" = "issue_comment" ]; then
-            PR_NUMBER=${{ github.event.issue.number }}
-          else
-            PR_NUMBER=${{ github.event.pull_request.number }}
-          fi
-
-          echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_ENV
-
       - name: Check if CHANGELOG is not required
         id: command-check
         run: |
           PR_COMMENTS=$( \
             curl -sSL -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
               -H "Accept: application/vnd.github.v3+json" \
-              https://api.github.com/repos/${{ github.repository }}/issues/${{ env.PR_NUMBER }}/comments \
+              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments \
           )
 
           readarray -t comments < <(jq -c '.[]' <<<"$PR_COMMENTS")
@@ -60,7 +49,7 @@ jobs:
         if: steps.command-check.outputs.status != 'skip'
         with:
           fetch-depth: 0
-          ref: refs/pull/${{ env.PR_NUMBER }}/head
+          ref: refs/pull/${{ github.event.pull_request.number }}/head
 
       # Example 1
       - name: Get changed files