Undeploy without Environment cleanup (#21530)

* Ensure we handle multiple pages of Deployments
* Do NOT delete the Environment during undeploy
* Do NOT deploy/undeploy PRs on lock/unlock events

.github/workflows/staging-build-pr-docker.yml

@@ -10,7 +10,6 @@ on:
       - opened
       - reopened
       - synchronize
-      - unlocked
 
 permissions:
   contents: read

.github/workflows/staging-build-pr.yml

@@ -10,7 +10,6 @@ on:
       - opened
       - reopened
       - synchronize
-      - unlocked
 
 permissions:
   contents: read

.github/workflows/staging-undeploy-pr.yml

@@ -8,7 +8,6 @@ on:
   pull_request_target:
     types:
       - closed
-      - locked
 
 permissions:
   contents: read