chore: update outdated GitHub Actions versions (#331)

Author: pgoslatara

.github/workflows/compress.yml

@@ -11,7 +11,7 @@ jobs:
     if: github.repository == 'doocs/advanced-java'
     steps:
       - name: Checkout Branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Compress Images
         id: calibre

.github/workflows/deploy.yml

@@ -9,15 +9,15 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22
           cache: pnpm