Update test matrix for Statamic v6 (#153)

Co-authored-by: edalzell <erin@silentz.co>

Author: marcorieser

.github/workflows/gh-action-updater.yml

@@ -0,0 +1,23 @@
+name: GitHub Actions Version Updater
+
+# Controls when the action will run.
+on:
+  schedule:
+    # Automatically run first day of every month
+    - cron:  '0 0 1 * *'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6.0.2
+        with:
+          # [Required] Access token with `workflow` scope.
+          token: ${{ secrets.WORKFLOW_SECRET }}
+
+      - name: Run GitHub Actions Version Updater
+        uses: saadmk11/github-actions-version-updater@v0.9.0
+        with:
+          # [Required] Access token with `workflow` scope.
+          token: ${{ secrets.WORKFLOW_SECRET }}

.github/workflows/test.yml

@@ -9,18 +9,18 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        php: [8.3, 8.4]
-        laravel: [11.*, 12.*]
+        php: [8.3, 8.4, 8.5]
+        laravel: [12.*, 13.*]
         stability: [prefer-lowest, prefer-stable]
         os: [ubuntu-latest]
         dependency-version: [prefer-stable]
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - name: Cache dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
             path: ~/.composer/cache/files
             key: dependencies-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}