fix: make make.sh executable

Author: ReLive27

.github/workflows/deploy-redoc-docs.yaml

@@ -9,6 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Add execute permission to make.sh
+        run: chmod +x make.sh
+      - uses: actions/checkout@v2
       - name: Build docs
         run: ./make.sh
       - name: Deploy to GitHub Pages