Bump Go version to v1.18

Author: Starefossen

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.14.x'
+          go-version: '1.18.x'
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v1
         with:

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.14.x'
+          go-version: '1.18.x'
       - name: Checkout
         uses: actions/checkout@v2
       - name: Test