Fix build by introducing git clean after composer install

See #2398

.github/workflows/build.yml

@@ -14,10 +14,38 @@ jobs:
         with:
           ref: trunk
 
-      - name: Setup
-        uses: WordPress/wporg-repo-tools/.github/actions/setup@trunk
+      - name: Install NodeJS
+        uses: actions/setup-node@e33196f7422957bea03ed53f6fbb155025ffc7b8 # v3.7.0
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          node-version-file: ".nvmrc"
+          cache: "yarn"
+
+      - name: Setup PHP with PECL extension
+        uses: shivammathur/setup-php@4bd44f22a98a19e0950cbad5f31095157cc9621b # v2.25.4 
+        with:
+          php-version: "7.4"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install php dependencies
+        shell: bash
+        run: |
+          composer install || composer update wporg/*
+
+      - name: Git reset and clean
+        run: |
+          git reset --hard
+          git clean -f -d
+
+      - name: Setup configs
+        shell: bash
+        run: |
+          yarn setup:tools
+
+      - name: yarn install and build
+        run: |
+          yarn
+          yarn build
 
       - name: Trim the repo down to just the source and built files
         run: |