Update Go to 1.18

.github/workflows/e2e.yaml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17.x
+          go-version: 1.18.x
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
     - name: Build Release Changelog
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/unit.yaml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.17.x
+        go-version: 1.18.x
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2

go.mod

@@ -1,6 +1,6 @@
 module github.com/shipwright-io/cli
 
-go 1.17
+go 1.18
 
 require (
 	github.com/google/go-containerregistry v0.8.1-0.20220216220642-00c59d91847c