[TEP-0009] Mark as implemented

This commit adds implementation pull requests for TEP-0009.

teps/0009-trigger-crd.md

@@ -4,7 +4,7 @@ authors:
   - "@kbaig"
 creation-date: 2020-07-14
 last-updated: 2020-09-08
-status: implementable
+status: implemented
 ---
 # TEP-0009: Introducing TriggerCRD
 
@@ -30,6 +30,7 @@ status: implementable
 - [Alternatives](#alternatives)
 - [Upgrade & Migration Strategy](#upgrade--migration-strategy)
 - [Open Questions](#open-questions)
+- [Implementation Pull Requests](#implementation-pull-requests)
 <!-- /toc -->
 
 ## Summary
@@ -272,3 +273,7 @@ existing definition in EventListener Spec. Later on definition will be deprecate
 1. What kind of selectors do we need i.e do we need both `namespaceSelecor` and `triggerSelector`?
 2. What should the path for path based EventListener look like? Should they handle multiple triggers?
 3. Can multiple EventListeners point to the same Trigger?
+
+## Implementation Pull Requests
+- [Add a new CRD type called Trigger](https://github.com/tektoncd/triggers/pull/628)
+- [Add EventListener Selector For TriggerCRD](https://github.com/tektoncd/triggers/pull/773)

teps/README.md

@@ -191,7 +191,7 @@ This is the complete list of Tekton teps:
 |[TEP-0006](0006-tekton-metrics.md) | Tekton Metrics | proposed | 2020-07-13 |
 |[TEP-0007](0007-conditions-beta.md) | Conditions Beta | implemented | 2021-06-03 |
 |[TEP-0008](0008-support-knative-service-for-triggers-eventlistener-pod.md) | Support Knative Service for Triggers EventListener Pod | implementable | 2020-08-25 |
-|[TEP-0009](0009-trigger-crd.md) | Trigger CRD | implementable | 2020-09-08 |
+|[TEP-0009](0009-trigger-crd.md) | Trigger CRD | implemented | 2020-09-08 |
 |[TEP-0010](0010-optional-workspaces.md) | Optional Workspaces | implemented | 2020-10-15 |
 |[TEP-0011](0011-redirecting-step-output-streams.md) | redirecting-step-output-streams | implementable | 2020-11-02 |
 |[TEP-0012](0012-api-spec.md) | API Specification | implemented | 2021-12-14 |