Limit Gitea workflow build scope

.gitea/workflows/rust-workspace.yml

@@ -0,0 +1,29 @@
+name: Native Rust workspace compile
+
+on:
+  push:
+    paths:
+      - ".gitea/workflows/rust-workspace.yml"
+      - "**/*.rs"
+      - "**/Cargo.toml"
+      - "Cargo.lock"
+  pull_request:
+    paths:
+      - ".gitea/workflows/rust-workspace.yml"
+      - "**/*.rs"
+      - "**/Cargo.toml"
+      - "Cargo.lock"
+  workflow_dispatch:
+
+jobs:
+  compile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+      - name: Compile every workspace target with bounded memory
+        run: cargo check --workspace --all-targets --locked -j 1