ci: simplifying jobs

.github/workflows/build.yml

@@ -1,26 +0,0 @@
-name: Build test
-
-on: [pull_request, push]
-
-jobs:
-  build-test:
-    name: Build test
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        go-version: [1.15.x, 1.16.x, 1.17.x]
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Install Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: ${{ matrix.go-version }}
-
-      - name: Run go vet
-        run: go vet
-
-      - name: Test
-        run: go test -v -race -covermode=atomic -failfast

.github/workflows/coverage.yml

@@ -3,19 +3,22 @@ name: Test and coverage
 on: [push, pull_request]
 
 jobs:
-  build:
+  check:
+    name: Check
     runs-on: ubuntu-latest
+    needs: build
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
-        with:
-          fetch-depth: 2
 
       - name: Install Go
         uses: actions/setup-go@v2
         with:
           go-version: 1.17.x
 
+      - name: Vet check
+        run: go vet -v
+
       - name: Run coverage
         run: go test -v -race -coverprofile=coverage.out -covermode=atomic -failfast