Add action for running C tests

Author: jeromekelleher

.github/workflows/ci.yml

@@ -66,3 +66,20 @@ jobs:
           # Make sure we don't have ``vcztools`` in the CWD
           cd tests
           python -m vcztools --help
+
+  c_test:
+    name: C tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: |
+          sudo apt install -y ninja-build libcunit1-dev valgrind meson
+      - name: Build
+        working-directory: ./lib
+        run: |
+          meson setup build
+      - name: Tests
+        working-directory: ./lib
+        run: |
+          ninja -C build test