Bump golang version to 1.18 (#5270)

.github/workflows/go.coverage.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@f6164bd8c8acb4a71fb2791a8b6c4024ff038dab
         with:
-          go-version: '1.17.0'
+          go-version: '1.18.0'
         id: go
 
       - name: Check out code

.github/workflows/go.test.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@f6164bd8c8acb4a71fb2791a8b6c4024ff038dab
         with:
-          go-version: '1.17.0'
+          go-version: '1.18.0'
         id: go
 
       - name: Check out code
@@ -33,7 +33,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@f6164bd8c8acb4a71fb2791a8b6c4024ff038dab
         with:
-          go-version: '1.17.0'
+          go-version: '1.18.0'
         id: go
 
       - name: Check out code
@@ -52,7 +52,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@f6164bd8c8acb4a71fb2791a8b6c4024ff038dab
         with:
-          go-version: '1.17.0'
+          go-version: '1.18.0'
         id: go
 
       - name: Check out code

.github/workflows/go.tidy.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@f6164bd8c8acb4a71fb2791a8b6c4024ff038dab
         with:
-          go-version: '1.17.0'
+          go-version: '1.18.0'
         id: go
 
       - name: Checkout

.github/workflows/make.doc.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@f6164bd8c8acb4a71fb2791a8b6c4024ff038dab
         with:
-          go-version: '1.17.0'
+          go-version: '1.18.0'
 
       - name: Update Docs
         run: |