Fixes #9083

Signed-off-by: rimas <rmocius@gmail.com>

cmd/helm/testdata/testcharts/chart-with-only-crds/Chart.yaml

@@ -17,5 +17,5 @@ type: application
 version: 0.1.0
 
 # This is the version number of the application being deployed. This version number should be
-# incremented each time you make changes to the application.
+# incremented each time you make changes to the application and recommended to use it with quotes.
-appVersion: 1.16.0
+appVersion: "1.16.0"

pkg/chartutil/create.go

@@ -99,7 +99,8 @@ version: 0.1.0
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
-appVersion: 1.16.0
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"
 `
 
 const defaultValues = `# Default values for %s.

pkg/lint/rules/testdata/multi-template-fail/Chart.yaml

@@ -17,5 +17,5 @@ type: application
 version: 0.1.0
 
 # This is the version number of the application being deployed. This version number should be
-# incremented each time you make changes to the application.
+# incremented each time you make changes to the application and recommended to use it with quotes.
-appVersion: 1.16.0
+appVersion: "1.16.0"

pkg/lint/rules/testdata/v3-fail/Chart.yaml

@@ -17,5 +17,5 @@ type: application
 version: 0.1.0
 
 # This is the version number of the application being deployed. This version number should be
-# incremented each time you make changes to the application.
+# incremented each time you make changes to the application and recommended to use it with quotes.
-appVersion: 1.16.0
+appVersion: "1.16.0"