Improve application diff

This changes the application diff to render a YAML diff with a number of
context lines instead of relying on the cmp library previously used
which would render a diff of Go objects.

go.mod

@@ -13,7 +13,6 @@ require (
 	github.com/cenkalti/backoff/v4 v4.2.1
 	github.com/go-test/deep v1.1.0
 	github.com/golang/mock v1.6.0
-	github.com/google/go-cmp v0.6.0
 	github.com/google/go-github/v62 v62.0.0
 	github.com/hashicorp/golang-lru/v2 v2.0.7
 	github.com/hexops/gotextdiff v1.0.3
@@ -25,6 +24,7 @@ require (
 	github.com/spf13/cobra v1.8.0
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
 	golang.org/x/oauth2 v0.19.0
+	golang.org/x/tools v0.21.0
 	google.golang.org/grpc v1.63.2
 	gopkg.in/yaml.v2 v2.4.0
 	k8s.io/api v0.26.11
@@ -34,7 +34,6 @@ require (
 require (
 	cloud.google.com/go/compute v1.25.1 // indirect
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
-	code.gitea.io/sdk/gitea v0.15.1 // indirect
 	dario.cat/mergo v1.0.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 // indirect
 	github.com/MakeNowJust/heredoc v1.0.0 // indirect
@@ -46,7 +45,6 @@ require (
 	github.com/a8m/envsubst v1.4.2 // indirect
 	github.com/alecthomas/participle/v2 v2.1.1 // indirect
 	github.com/argoproj/pkg v0.13.7-0.20230626144333-d56162821bd1 // indirect
-	github.com/aws/aws-sdk-go v1.50.8 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/bmatcuk/doublestar/v4 v4.6.1 // indirect
@@ -69,9 +67,7 @@ require (
 	github.com/fatih/camelcase v1.0.0 // indirect
 	github.com/fatih/color v1.16.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/fvbommel/sortorder v1.1.0 // indirect
-	github.com/gfleury/go-bitbucket-v1 v0.0.0-20220301131131-8e7ed04b843e // indirect
 	github.com/go-errors/errors v1.5.1 // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-git/go-billy/v5 v5.5.0 // indirect
@@ -93,7 +89,7 @@ require (
 	github.com/google/btree v1.1.2 // indirect
 	github.com/google/gnostic v0.7.0 // indirect
 	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
-	github.com/google/go-github/v35 v35.3.0 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/go-github/v56 v56.0.0 // indirect
 	github.com/google/go-github/v60 v60.0.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
@@ -108,32 +104,26 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.4 // indirect
-	github.com/hashicorp/go-version v1.2.1 // indirect
 	github.com/huandu/xstrings v1.3.3 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/itchyny/gojq v0.12.13 // indirect
 	github.com/itchyny/timefmt-go v0.1.5 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
-	github.com/jeremywohl/flatten v1.0.1 // indirect
 	github.com/jinzhu/copier v0.4.0 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/jonboulle/clockwork v0.4.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
 	github.com/klauspost/compress v1.17.8 // indirect
-	github.com/ktrysmt/go-bitbucket v0.9.67 // indirect
 	github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/microsoft/azure-devops-go-api/azuredevops v1.0.0-b5 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.0 // indirect
 	github.com/moby/spdystream v0.2.0 // indirect
 	github.com/moby/term v0.5.0 // indirect
@@ -168,7 +158,6 @@ require (
 	github.com/vmihailenco/go-tinylfu v0.2.2 // indirect
 	github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
-	github.com/xanzy/go-gitlab v0.91.1 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	github.com/xlab/treeprint v1.2.0 // indirect
 	github.com/yuin/gopher-lua v1.1.1 // indirect
@@ -185,9 +174,7 @@ require (
 	golang.org/x/term v0.20.0 // indirect
 	golang.org/x/text v0.15.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	golang.org/x/tools v0.21.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
-	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
 	google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240401170217-c3f982113cda // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda // indirect