Update actions, remove useless composer cache step

Author: defunctl

.github/workflows/static-analysis.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Configure PHP environment
         uses: shivammathur/setup-php@v2
         with:

.github/workflows/tests-php.yml

@@ -10,34 +10,21 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1000
           submodules: recursive
       # ------------------------------------------------------------------------------
       # Checkout slic
       # ------------------------------------------------------------------------------
       - name: Checkout slic
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: stellarwp/slic
           ref: main
           path: slic
           fetch-depth: 1
-      # ------------------------------------------------------------------------------
-      # Prepare our composer cache directory
-      # ------------------------------------------------------------------------------
-      - name: Get Composer Cache Directory
-        id: get-composer-cache-dir
-        run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
-      - uses: actions/cache@v2
-        id: composer-cache
-        with:
-          path: ${{ steps.get-composer-cache-dir.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-composer-
+
       # ------------------------------------------------------------------------------
       # Initialize slic
       # ------------------------------------------------------------------------------