ci: run tests in parallel to speedup the ci

Author: art049

.github/workflows/ci.yml

@@ -70,14 +70,20 @@ jobs:
 
   tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        partition: [1, 2, 3, 4, 5]
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
       - uses: moonrepo/setup-rust@v1
+        with:
+          bins: cargo-nextest
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - run: cargo test --all
+
+      - run: cargo nextest run --partition count:${{ matrix.partition }}/5
 
   compat-integration-test-instrumentation:
     runs-on: ubuntu-latest