* Use nproc to set NUM_PROCS

Author: lukebakken

.github/workflows/build_and_test.yml

@@ -60,7 +60,9 @@ jobs:
         with:
           go-version: ${{ matrix.go }}
           check-latest: true
-      - run: make GO_VERSION=${{ steps.setup_go.outputs.go-version }} test
+      - name: Get number of CPU cores
+        run: echo "NUM_PROCS=$(nproc)" >> $GITHUB_ENV
+      - run: make NUM_PROCS=$NUM_PROCS GO_VERSION=${{ steps.setup_go.outputs.go-version }} test
       - uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5.5.1
         with:
           fail_ci_if_error: false # optional (default = false)