bump: upgrade gopkg.in/yaml.v2 to gopkg.in/yaml.v3

Signed-off-by: yxxhero <aiopsclub@163.com>

test/e2e/template/helmfile/testdata/snapshot/issue_2098_release_template_needs/output.yaml

@@ -6,23 +6,23 @@ helmBinary: helm
 environments:
   default: {}
 repositories:
-- name: aservo
-  url: https://aservo.github.io/charts
+  - name: aservo
+    url: https://aservo.github.io/charts
 releases:
-- chart: aservo/util
-  version: 0.0.1
-  name: default-shared-resources
-  namespace: default
-  labels:
-    service: shared-resources
-- chart: aservo/util
-  version: 0.0.1
-  needs:
-  - default-shared-resources
-  name: default-release-resources
-  namespace: default
-  labels:
-    service: release-resources
+  - chart: aservo/util
+    version: 0.0.1
+    name: default-shared-resources
+    namespace: default
+    labels:
+      service: shared-resources
+  - chart: aservo/util
+    version: 0.0.1
+    needs:
+      - default-shared-resources
+    name: default-release-resources
+    namespace: default
+    labels:
+      service: release-resources
 templates:
   defaults:
     name: default-{{ .Release.Labels.service }}

test/yamldiff/yamldiff.go

@@ -10,7 +10,7 @@ import (
 	"github.com/kylelemons/godebug/pretty"
 	"github.com/logrusorgru/aurora"
 	"github.com/mattn/go-isatty"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 var version = "latest"