Chore: use Go v1.16.4 explicitly (#993)

.github/workflows/coverage.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.16.3
+          go-version: ^1.16.4
 
       - name: Checkout codebase
         uses: actions/checkout@v2

.github/workflows/linter.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.16.3
+          go-version: ^1.16.4
 
       - name: Checkout codebase
         uses: actions/checkout@v2

.github/workflows/release.yml

@@ -98,7 +98,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.16.3
+          go-version: ^1.16.4
 
       - name: Get project dependencies
         run: go mod download
@@ -169,7 +169,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.16.3
+          go-version: ^1.16.4
 
       - uses: actions/download-artifact@v2
         with:

.github/workflows/test.yml

@@ -10,12 +10,14 @@ on:
       - "**/*.go"
       - "go.mod"
       - "go.sum"
+      - ".github/workflows/test.yml"
   pull_request:
     types: [opened, synchronize, reopened]
     paths:
       - "**/*.go"
       - "go.mod"
       - "go.sum"
+      - ".github/workflows/test.yml"
 
 jobs:
   test:
@@ -28,7 +30,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.16.3
+          go-version: ^1.16.4
 
       - name: Checkout codebase
         uses: actions/checkout@v2