Update GitHub actions

Author: PowerKiKi

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP, with composer and extensions
         uses: shivammathur/setup-php@v2
@@ -21,7 +21,7 @@ jobs:
           coverage: none
 
       - name: Cache composer dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/composer
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP, with composer and extensions
         uses: shivammathur/setup-php@v2
@@ -53,7 +53,7 @@ jobs:
           tools: cs2pr
 
       - name: Cache composer dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/composer
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
@@ -69,7 +69,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP, with composer and extensions
         uses: shivammathur/setup-php@v2
@@ -78,7 +78,7 @@ jobs:
           coverage: none
 
       - name: Cache composer dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/composer
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
@@ -94,7 +94,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.ref }} # Otherwise our annotated tag is not fetched and we cannot get correct version