Switch the default for scope-when-expressions-to-task

Switch the default value for scope-when-expressions-to-task to true,
as documented in the deprecations table.

This is step is in preparation for the complete removal of the flag
coming in the next release.

Related to tektoncd#4461

Signed-off-by: Andrea Frittoli <andrea.frittoli@uk.ibm.com>

config/config-feature-flags.yaml

@@ -82,6 +82,6 @@ data:
   # Setting this flag will determine which gated features are enabled.
   # Acceptable values are "stable" or "alpha".
   enable-api-fields: "stable"
-  # Setting this flag to "true" scopes when expressions to guard a Task only
-  # instead of a Task and its dependent Tasks.
-  scope-when-expressions-to-task: "false"
+  # Setting this flag to "false" scopes when expressions to guard a Task and its
+  # dependent Tasks instead of a Task only.
+  scope-when-expressions-to-task: "true"

docs/deprecations.md

@@ -25,6 +25,5 @@ being deprecated.
 | [`Conditions` CRD is deprecated and will be removed. Use `when` expressions instead.](https://github.com/tektoncd/community/blob/main/teps/0007-conditions-beta.md) | [v0.16.0](https://github.com/tektoncd/pipeline/releases/tag/v0.16.0) | Alpha                                                                                                  | Nov 02 2020                         |
 | [The `disable-home-env-overwrite` flag will be removed](https://github.com/tektoncd/pipeline/issues/2013)                                                           | [v0.24.0](https://github.com/tektoncd/pipeline/releases/tag/v0.24.0) | Beta                                                                                                   | February 10 2022                    |
 | [The `disable-working-dir-overwrite` flag will be removed](https://github.com/tektoncd/pipeline/issues/1836)                                                        | [v0.24.0](https://github.com/tektoncd/pipeline/releases/tag/v0.24.0) | Beta                                                                                                   | February 10 2022                    |
-| [The `scope-when-expressions-to-task` flag will be flipped from "false" to "true"](https://github.com/tektoncd/pipeline/issues/4461)                                | [v0.27.0](https://github.com/tektoncd/pipeline/releases/tag/v0.27.0) | Beta                                                                                                   | February 10 2022                    |
 | [The `scope-when-expressions-to-task` flag will be removed](https://github.com/tektoncd/pipeline/issues/4461)                                                       | [v0.27.0](https://github.com/tektoncd/pipeline/releases/tag/v0.27.0) | Beta                                                                                                   | March 10 2022                       |
 | [`PipelineResources` are deprecated.](https://github.com/tektoncd/community/blob/main/teps/0074-deprecate-pipelineresources.md)                                     | [v0.30.0](https://github.com/tektoncd/pipeline/releases/tag/v0.30.0) | Alpha                                                                                                  | Dec 20 2021                         |

pkg/apis/config/feature_flags.go

@@ -47,7 +47,7 @@ const (
 	// DefaultEnableCustomTasks is the default value for "enable-custom-tasks".
 	DefaultEnableCustomTasks = false
 	// DefaultScopeWhenExpressionsToTask is the default value for "scope-when-expressions-to-task".
-	DefaultScopeWhenExpressionsToTask = false
+	DefaultScopeWhenExpressionsToTask = true
 	// DefaultEnableAPIFields is the default value for "enable-api-fields".
 	DefaultEnableAPIFields = StableAPIFields