StepActions Implemented

As of v0.56.0, all MVP features that were identified for StepActions
have been implemented. All remaining items have been tracked in Issue
tektoncd/pipeline#7424 prior to making it
beta.

teps/0142-enable-step-reusability.md

@@ -1,8 +1,8 @@
 ---
-status: implementable
+status: implemented
 title: Enable Step Reusability 
 creation-date: '2023-09-07'
-last-updated: '2023-12-06'
+last-updated: '2024-01-24'
 authors:
 - '@chitrangpatel'
 - '@jerop'

teps/README.md

@@ -131,7 +131,7 @@ This is the complete list of Tekton TEPs:
 |[TEP-0139](0139-trusted-artifacts.md) | Trusted Artifacts | proposed | 2023-07-27 |
 |[TEP-0140](0140-producing-results-in-matrix.md) | Producing Results in Matrix | implemented | 2023-10-24 |
 |[TEP-0141](0141-platform-context-variables.md) | Platform Context Variables | proposed | 2023-08-21 |
-|[TEP-0142](0142-enable-step-reusability.md) | Enable Step Reusability | implementable | 2023-12-06 |
+|[TEP-0142](0142-enable-step-reusability.md) | Enable Step Reusability | implemented | 2024-01-24 |
 |[TEP-0143](0143-concise-parameters-results.md) | Concise Parameters and Results | proposed | 2023-10-01 |
 |[TEP-0144](0144-param-enum.md) | Param Enum | implemented | 2023-11-23 |
 |[TEP-0145](0145-cel-in-whenexpression.md) | CEL in WhenExpression | implemented | 2023-10-22 |