ci: removing parallelism from job (#485)

Removing parallelism from job as each container counts towards the concurrency limit.
Also, the performance increase was negligible.

.circleci/config.yml

@@ -51,27 +51,35 @@ jobs:
   test-race:
     docker:
       - image: cimg/go:1.16
-    parallelism: 4
     steps:
       - checkout
       - go/load-cache
       - go/mod-download
       - run: go mod tidy
       - go/save-cache
-      - run: go test -tags sqlite -race -short -v $(go list ./... | circleci tests split)
+      - run: go test -tags sqlite -race -short -v ./...
 
   validate:
     docker:
       - image: cimg/go:1.16-node
     steps:
       - checkout
       - run: sudo npm i -g npm@7
+
+      - go/load-cache
+      - go/mod-download
+      - run: go mod tidy
+      - go/save-cache
+
       - golangci/install
       - golangci/lint
+
       - nancy/install
       - nancy/check
+
       - goreleaser/install
       - goreleaser/check
+
       - prettier/install
       - prettier/check
       - prettier/install: