Upgrade & use SHA for github-pages-deploy-action.

Author: BigBlueHat

.github/workflows/main.yml

@@ -58,7 +58,7 @@ jobs:
         run: npm run test
         continue-on-error: true
       - name: Deploy to Github Pages
-        uses: JamesIves/github-pages-deploy-action@4.1.5
+        uses: JamesIves/github-pages-deploy-action@6c2d9db40f9296374acc17b90404b6e8864128c8 # v4.7.3
         with:
           branch: gh-pages
           folder: reports