Backport changes from Silverus/Lobby's CI

.forgejo/workflows/build.yaml

@@ -1,22 +1,29 @@
-name: build mono
+name: Build Godot
 on:
   push:
     branches:
       - master
+
 jobs:
   push:
-    name: "yolks:mono_${{ matrix.tag }}"
+    name: "Build Godot"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: docker/setup-buildx-action@v3
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Docker
+        uses: docker/setup-buildx-action@v3
         with:
           buildkitd-flags: --debug
-      - uses: docker/login-action@v3
+
+      - name: Login to Docker
+        uses: docker/login-action@v3
         with:
           registry: git.styandco.dev
           username: ${{ github.repository_owner }}
-          password: ${{ secrets.REGISTRY_TOKEN }}
+          password: ${{ env.GITHUB_TOKEN }}
+
       - uses: docker/build-push-action@v5
         with:
           context: .