Update GitHub Actions

Author: coisa

.github/workflows/tests.yml

@@ -43,23 +43,33 @@ jobs:
               run: |
                 git config --global user.email "github-actions[bot]@users.noreply.github.com"
                 git config --global user.name "github-actions[bot]"
+
                 cd docs/wiki
                 git remote set-url origin https://x-access-token:${{ github.token }}@github.com/${{ github.repository }}.wiki.git
-                git pull
+
+                git fetch origin
+                git checkout ${{ github.head_ref || github.ref_name }}
+                git pull origin ${{ github.head_ref || github.ref_name }} --rebase
+
                 git add .
                 if git diff --cached --quiet; then
                     echo "No changes to commit in submodule"
                     exit 0
                 fi
+
                 git commit -m "Update wiki content"
                 git push origin HEAD:refs/heads/${{ github.head_ref || github.ref_name }}
+
                 cd ../..
+
                 git submodule update --remote --merge
+
                 git add docs/wiki
                 if git diff --cached --quiet; then
                     echo "No submodule reference change to commit"
                     exit 0
                 fi
+
                 git commit -m "Update wiki submodule reference [skip ci]"
                 git push origin HEAD:refs/heads/${{ github.head_ref || github.ref_name }}
     tests: