Add test run to workflow

Author: SimonErm

.github/workflows/main.yml

@@ -8,7 +8,23 @@ on:
   workflow_dispatch:
 
 jobs:
-  build:
+  run-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - id: checkout
+        uses: actions/checkout@v3
+      - name: Cache
+        uses: actions/cache@v4
+        with:
+          path: |
+           ~/.cargo/bin/
+           ~/.cargo/registry/index/
+           ~/.cargo/registry/cache/
+           ~/.cargo/git/db/
+           target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - run: cargo test --locked
+  build-container:
     permissions:
       packages: write
     runs-on: ubuntu-latest