Partially revert previous changes, Windows didn't like it

Author: bennothommo

.github/workflows/tests.yml

@@ -65,13 +65,13 @@ jobs:
         run: php ./.github/workflows/utilities/library-switcher "1.2.x-dev as 1.2"
 
       - name: Setup dependency cache
-        id: composer-cache
-        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+        id: composercache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache dependencies
         uses: actions/cache@v3
         with:
-          path: ${{ steps.composer-cache.outputs.dir }}
+          path: ${{ steps.composercache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
           restore-keys: ${{ runner.os }}-composer-
 
@@ -150,13 +150,13 @@ jobs:
         run: php ./.github/workflows/utilities/library-switcher "1.2.x-dev as 1.2"
 
       - name: Setup dependency cache
-        id: composer-cache
-        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+        id: composercache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v2
         with:
-          path: ${{ steps.composer-cache.outputs.dir }}
+          path: ${{ steps.composercache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
           restore-keys: ${{ runner.os }}-composer-