docker build workflow requires ubuntu-latest

.forgejo/workflows/test.yml

@@ -2,14 +2,14 @@ on: [push]
 jobs:
   test:
     name: cargo test
-    runs-on: docker
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/rust-toolchain@stable
       - run: cargo test --all-features
   docker:
     name: docker build
-    runs-on: docker
+    runs-on: ubuntu-latest
     steps:
       - uses: docker/login-action@v3
         with: