chore: updates outdated flows

Author: JasonTheAdams

.github/workflows/tests-php.yml

@@ -10,15 +10,15 @@ 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
@@ -30,8 +30,8 @@ jobs:
       - name: Get Composer Cache Directory
         id: get-composer-cache-dir
         run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
-      - uses: actions/cache@v2
+          echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+      - uses: actions/cache@v4
         id: composer-cache
         with:
           path: ${{ steps.get-composer-cache-dir.outputs.dir }}