update go version

Signed-off-by: Seán C McCord <ulexus@gmail.com>

Author: Ulexus

.github/workflows/go.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.16
+        go-version: 1.18
 
     - name: lint
       uses: golangci/golangci-lint-action@v2.5.2

.github/workflows/master.yaml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.16
+        go-version: 1.18
 
     - name: GHCR Login
       uses: docker/login-action@v1

.github/workflows/release.yaml

@@ -14,7 +14,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.16
+        go-version: 1.18
 
     - name: Docker Hub Login
       uses: docker/login-action@v1