CI/tests: run build-benches on ubuntu-22.04

Author: dannywillems

.github/workflows/tests.yaml

@@ -409,6 +409,41 @@ jobs:
       - name: Build WebAssembly node
         run: make build-wasm
 
+  build-benches:
+    needs: [build]
+    timeout-minutes: 60
+    runs-on: ubuntu-22.04
+    env:
+      RUSTFLAGS: "-C overflow-checks=off -C debug-assertions=off ${{ inputs.rustflags }}"
+    steps:
+      - name: Git checkout
+        uses: actions/checkout@v5
+
+      - name: Setup build dependencies
+        uses: ./.github/actions/setup-build-deps
+        with:
+          include-sqlite: true
+
+      - name: Use shared OCaml setting up steps
+        uses: ./.github/actions/setup-ocaml
+        with:
+          ocaml_version: ${{ env.OCAML_VERSION }}
+
+      - name: Setup Rust
+        uses: ./.github/actions/setup-rust
+        with:
+          toolchain: 1.84
+          cache-prefix: build-${{ inputs.os }}-${{ inputs.cache-prefix }}v0
+
+      - name: Setup SQLite database for SQLx
+        run: |
+          sqlite3 /tmp/heartbeats.db < tools/heartbeats-processor/schema.sql
+
+      - name: Build benchmarks
+        run: make build-benches
+        env:
+          DATABASE_URL: "sqlite:///tmp/heartbeats.db"
+
   p2p-scenario-tests:
     needs: [build-tests, build-tests-webrtc]
     runs-on: ubuntu-24.04