ci: improve GHA workflows + update actions/checkout to v5

Author: striezel

.github/workflows/alpine.yml

@@ -7,7 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     container: alpine:latest
     steps:
-    - uses: actions/checkout@v4
+    - name: Checkout
+      uses: actions/checkout@v5
+      with:
+          persist-credentials: false
     - name: Install Node.js + NPM
       run: |
         apk update

.github/workflows/audit.yml

@@ -11,7 +11,10 @@ jobs:
     runs-on: ubuntu-24.04
     name: Node.js package audit
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          persist-credentials: false
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:

.github/workflows/docker.yml

@@ -7,9 +7,10 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
+          persist-credentials: false
       - name: Build Dockerfile
         run: docker build . -t exportapp
       - name: Start Docker container

.github/workflows/node.js.yml

@@ -10,7 +10,10 @@ jobs:
       matrix:
         node-version: [18, 20, 22, 24]
     steps:
-    - uses: actions/checkout@v4
+    - name: Checkout
+      uses: actions/checkout@v5
+      with:
+        persist-credentials: false
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
       with: