Upgrade Go version and mod dependencies

Author: rytswd

.github/workflows/build-ci.yaml

@@ -17,7 +17,7 @@ on:
       - go.sum
 
 env:
-  GO_VERSION: 1.16.7
+  GO_VERSION: 1.19.3
 
 jobs:
   build:

go.mod

@@ -1,10 +1,20 @@
 module github.com/upsidr/merge-gatekeeper
 
-go 1.16
+go 1.19
 
 require (
 	github.com/google/go-github/v38 v38.1.0
+	github.com/spf13/cobra v1.6.1
+	golang.org/x/oauth2 v0.2.0
+)
+
+require (
+	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/spf13/cobra v1.2.1
-	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/crypto v0.3.0 // indirect
+	golang.org/x/net v0.2.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 )