update go version

Author: tsaarni

.github/workflows/unit-test.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.17.3'
+        go-version: '1.18.2'
       id: go
 
     - uses: actions/cache@v2
@@ -38,7 +38,7 @@ jobs:
     - name: golangci-lint
       uses: golangci/golangci-lint-action@v2
       with:
-          version: v1.43
+          version: v1.46.2
 
     - name: Build
       run: make build