ci: add tests workflow

Run fmt, clippy, workspace tests and the catalog check on pull requests and on main after merge. No build or release artifacts.

Author: xscriptor

.github/workflows/tests.yml

@@ -0,0 +1,52 @@
+name: Tests
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: tests-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: cargo test
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      - name: Install stable Rust toolchain
+        uses: dtolnay/rust-toolchain@18f0487477426dce244608110aa2660c2893deb7 # stable
+        with:
+          components: rustfmt, clippy
+
+      - name: Check formatting
+        run: cargo fmt --all --check
+
+      - name: Run clippy
+        run: cargo clippy --locked --all-targets -- -D warnings
+
+      - name: Run workspace tests
+        run: cargo test --workspace --locked --no-fail-fast
+
+  catalog:
+    name: catalog metadata
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      - name: Validate catalog
+        run: python3 scripts/generate_catalog.py --check