Update GitHub Actions

Author: coisa

.github/workflows/tests.yml

@@ -61,8 +61,16 @@ jobs:
                 git remote set-url origin https://x-access-token:${{ github.token }}@github.com/${{ github.repository }}.wiki.git
 
                 git fetch origin
-                git checkout -b temp-branch origin/${{ github.head_ref || github.ref_name }}
-                git pull origin ${{ github.head_ref || github.ref_name }} --rebase
+                BRANCH_NAME="${{ github.head_ref || github.ref_name }}"
+
+                if [ "$BRANCH_NAME" = "main" ]; then
+                  if ! git ls-remote --exit-code --heads origin main > /dev/null; then
+                      BRANCH_NAME="master"
+                  fi
+                fi
+
+                git checkout -b temp-branch origin/$BRANCH_NAME
+                git pull origin $BRANCH_NAME --rebase
 
                 git add .
                 if git diff --cached --quiet; then
@@ -71,7 +79,7 @@ jobs:
                 fi
 
                 git commit -m "Update wiki content"
-                git push origin HEAD:refs/heads/${{ github.head_ref || github.ref_name }}
+                git push origin HEAD:refs/heads/$BRANCH_NAME
 
                 cd ../..