Refactor step output with env files

See https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

Author: aaemnnosttv

.github/workflows/build.yml

@@ -42,7 +42,7 @@ jobs:
 
       - name: Get Composer Cache Directory
         id: composer-cache
-        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
       - name: Cache PHP dependencies
         uses: actions/cache@v3
         id: actions-cache