chore(actions): make PR ci run on every PR (#1098)

.github/workflows/merge-master.yml

@@ -73,12 +73,19 @@ jobs:
         | pandoc --from markdown --to rst --standalone > ${{ steps.path.outputs.value }}
 
     - name: Commit changelog
+      id: commit
       run: |
-        git add ${{ steps.path.outputs.value  }}
-        git commit -m "[skip ci] Update changelogs" -a || true
-
-    - name: Push changes  
+        if [[ `git status --porcelain --untracked-files=no` ]]; then
+          echo ::set-output name=CHANGES::true
+          git add ${{ steps.path.outputs.value  }}
+          git commit -m "[skip ci] Update changelogs" -a
+        else
+          echo ::set-output name=CHANGES::false
+        fi
+
+    - name: Push changes
       uses: ad-m/[email protected]
+      if: ${{ steps.commit.outputs.CHANGES == 'true' }}
       with:
         branch: ${{ github.ref }}
         github_token: ${{ secrets.ACCESS_TOKEN }}

.github/workflows/pull-request.yml

@@ -3,8 +3,6 @@ name: Pull Request
 
 on:
   pull_request:
-    branches:
-    - master
 
 jobs:
   commitlint: