dependencies: update to sigs.k8s.io/yaml v1.3.0

No particular benefit and no relevant changes, it's just to stay up-to-date and
to avoid having to pull that in when merging
https://github.com/kubernetes/kubernetes/pull/111023 which indirectly depends
on the newer release.

vendor/sigs.k8s.io/yaml/.gitignore

@@ -6,6 +6,10 @@
 .project
 .settings/**
 
+# Idea files
+.idea/**
+.idea/
+
 # Emacs save files
 *~
 

vendor/sigs.k8s.io/yaml/.travis.yml

@@ -1,8 +1,7 @@
 language: go
-dist: xenial
-go:
-  - 1.12.x
-  - 1.13.x
+arch: arm64
+dist: focal
+go: 1.15.x
 script:
   - diff -u <(echo -n) <(gofmt -d *.go)
   - diff -u <(echo -n) <(golint $(go list -e ./...) | grep -v YAMLToJSON)

vendor/sigs.k8s.io/yaml/README.md

@@ -107,8 +107,8 @@ func main() {
 	}
 	fmt.Println(string(y))
 	/* Output:
-	name: John
 	age: 30
+	name: John
 	*/
 	j2, err := yaml.YAMLToJSON(y)
 	if err != nil {