Update Go version (#3)

.github/workflows/github-actions.yml

@@ -11,7 +11,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
         # last 2 major versions are supported
         # https://go.dev/doc/devel/release#policy
-        go-version: [1.18, 1.19]
+        go-version: ['1.19', '1.20']
 
     steps:
     - uses: actions/checkout@v3
@@ -28,5 +28,5 @@ jobs:
       run: go test -v -race ./... -covermode atomic -coverprofile coverage.out
 
     - name: Upload coverage to Codecov
-      if: ${{ matrix.go-version == '1.19' && matrix.os == 'ubuntu-latest' }}
+      if: ${{ matrix.go-version == '1.20' && matrix.os == 'ubuntu-latest' }}
       uses: codecov/codecov-action@v3

go.mod

@@ -1,6 +1,6 @@
 module github.com/westy92/holiday-event-api-go
 
-go 1.18
+go 1.19
 
 require (
 	github.com/h2non/gock v1.2.0