Bump required go version to at least go 1.17

See discussion on https://github.com/bgp/stayrtr/pull/91

.github/workflows/codeql.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v2
       with:
-        go-version: ^1.16
+        go-version: ^1.19
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2

.github/workflows/go.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v2
       with:
-        go-version: ^1.16
+        go-version: ^1.19
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2

README.md

@@ -45,7 +45,7 @@ Special thanks for support to the Route Server Support Foundation [RSSF](https:/
 
 ## To start developing
 
-You need a working [Go environment](https://golang.org/doc/install) (1.16 or newer).
+You need a working [Go environment](https://golang.org/doc/install) (1.17 or newer).
 This project also uses [Go Modules](https://github.com/golang/go/wiki/Modules).
 
 ```bash

go.mod

@@ -1,6 +1,6 @@
 module github.com/bgp/stayrtr
 
-go 1.16
+go 1.17
 
 require (
 	github.com/google/go-cmp v0.5.6
@@ -10,3 +10,17 @@ require (
 	golang.org/x/crypto v0.6.0
 	golang.org/x/sys v0.5.0
 )
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/golang/protobuf v1.4.3 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	google.golang.org/protobuf v1.26.0-rc.1 // indirect
+	gopkg.in/yaml.v2 v2.3.0 // indirect
+)