DO NOT MERGE TO MAIN: temporarily run tasks on 'migration' branch instead of 'main'

I'm using this branch as a temporary staging branch to get everything
working. This way `main` can stay pristine and track what's in the
old repo.

Author: ahal

.github/workflows/deploy.yml

@@ -1,9 +1,9 @@
 name: deploy
 on:
   push:
-    branches: ["main"]
+    branches: ["main", "migration"]
   pull_request:
-    branches: ["main"]
+    branches: ["main", "migration"]
 
 permissions:
   contents: read

.taskcluster.yml

@@ -99,7 +99,7 @@ tasks:
               $if: >
                 tasks_for in ["action", "pr-action", "cron"]
                 || (tasks_for == "github-release" && releaseAction == "published")
-                || (tasks_for == "github-push" && short_head_ref == "main")
+                || (tasks_for == "github-push" && short_head_ref == "migration")
                 || (isPullRequest && pullRequestAction in ["opened", "reopened", "synchronize"])
               then:
                   taskId: {$if: 'tasks_for != "action"', then: '${ownTaskId}'}

taskcluster/config.yml

@@ -14,7 +14,7 @@ taskgraph:
             name: fxci-config
             project-regex: fxci-config.*
             default-repository: https://github.com/mozilla-releng/fxci-config
-            default-ref: main
+            default-ref: migration
             type: git
 
 workers: