Bump github.com/coredns/coredns from 1.8.3 to 1.9.1 (#93)

* Bump github.com/coredns/coredns from 1.8.3 to 1.9.1

Bumps [github.com/coredns/coredns](https://github.com/coredns/coredns) from 1.8.3 to 1.9.1.
- [Release notes](https://github.com/coredns/coredns/releases)
- [Changelog](https://github.com/coredns/coredns/blob/master/Makefile.release)
- [Commits](coredns/coredns@v1.8.3...v1.9.1)

---
updated-dependencies:
- dependency-name: github.com/coredns/coredns
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Bump Go version

* Use go 1.17 mod format

* Try some go version shenanigans

* Update external plugin build

* Use newer CircleCI machine image

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Zach Stone <[email protected]>

.circleci/config.yml

@@ -6,7 +6,7 @@ orbs:
 jobs:
   build-binary:
     docker:
-      - image: quay.io/giantswarm/golang:1.14.15
+      - image: quay.io/giantswarm/golang:1.17.8
     parameters:
       coredns_reference:
         description: "The version/reference of CoreDNS to build with this plugin."
@@ -54,7 +54,8 @@ jobs:
             - coredns
 
   create-cluster:
-    machine: true
+    machine:
+      image: ubuntu-2004:current
     environment:
       KIND_VERSION: v0.10.0
       KUBERNETES_VERSION: v1.19.7
@@ -123,7 +124,7 @@ workflows:
               only: /^v.*/
 
       - build-binary:
-          coredns_reference: "v1.8.3"
+          coredns_reference: "v1.9.1"
           filters:
             # Trigger job also on git tag.
             tags:

go.mod

@@ -1,16 +1,41 @@
 module github.com/giantswarm/coredns-warnlist-plugin
 
-go 1.14
+go 1.17
 
 require (
 	github.com/alecthomas/mph v0.0.0-20190930022807-712982e3d8a2
-	github.com/alecthomas/unsafeslice v0.0.0-20190825002529-d95de1041e15 // indirect
 	github.com/coredns/caddy v1.1.1
-	github.com/coredns/coredns v1.8.3
+	github.com/coredns/coredns v1.9.1
 	github.com/google/go-cmp v0.5.7
 	github.com/hashicorp/go-immutable-radix v1.3.1
 	github.com/miekg/dns v1.1.47
-	github.com/prometheus/client_golang v1.11.0
+	github.com/prometheus/client_golang v1.12.1
+)
+
+require (
+	github.com/alecthomas/unsafeslice v0.0.0-20190825002529-d95de1041e15 // indirect
+	github.com/apparentlymart/go-cidr v1.1.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645 // indirect
+	github.com/hashicorp/go-uuid v1.0.2 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/opentracing/opentracing-go v1.2.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.32.1 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	golang.org/x/mod v0.4.2 // indirect
+	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
+	golang.org/x/sys v0.0.0-20220209214540-3681064d5158 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/genproto v0.0.0-20220218161850-94dd64e39d7c // indirect
+	google.golang.org/grpc v1.44.0 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
 )
 
 replace github.com/gorilla/websocket v1.4.0 => github.com/gorilla/websocket v1.4.2