ci: Unify Quality control pipelines

The testing and web app static-checking pipelines were moved into a single
github action file. This makes more logical sense. The jobs continue
to run in parallel; but this is a more coherent positioning for the files

.github/workflows/web-app-qc.yml → .github/workflows/quality-check.yml

@@ -1,8 +1,46 @@
-name: Web App Quality Check
+name: Quality Check
 
-on: pull_request 
+on: 
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+      - edited
 
 jobs: 
+  test-contracts:
+    name: Test contracts
+    env:
+      FOUNDRY_PROFILE: ci
+    defaults:
+      run:
+        working-directory: contracts
+    strategy:
+      fail-fast: true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          sparse-checkout: contracts
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+
+      - name: Run Forge build
+        run: |
+          forge --version
+          forge build --sizes
+        id: build
+
+      - name: Run Forge tests
+        run: |
+          forge test -vvv
+        id: test
+
   build-typecheck-lint:
     name: Build web app, typecheck and lint
     runs-on: ubuntu-20.04