update actions versions

Author: mrgrain

.github/workflows/pr-build.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: "18"
           cache: "yarn"
@@ -31,7 +31,7 @@ jobs:
       #   run: /root/ecr-proxy/start.sh
 
       - name: Cache build artifacts
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.s3buildcache