Update the pipelines to reference the default branch (#12918)

.pipelines/wsl-build-nightly-localization.yml

@@ -1,7 +1,7 @@
 trigger:
   branches:
     include:
-    - main
+    - master
   paths:
     include:
     - 'localization/strings/en-US/Resources.resw'
@@ -14,7 +14,7 @@ schedules:
   displayName: Nightly Touchdown Build Schedule
   branches:
     include:
-    - "main"
+    - "master"
   always: true
 
 pool:

.pipelines/wsl-build-notice.yml

@@ -1,7 +1,7 @@
 trigger:
   branches:
     include:
-    - main
+    - master
 
 pool:
   name: 'wsl-build'

.pipelines/wsl-build-pr-onebranch.yml

@@ -1,7 +1,7 @@
 trigger:
   branches:
     include:
-    - main
+    - master
     - release/*
 
 variables:

SUPPORT.md

@@ -14,4 +14,4 @@ Technical Support for the use of WSL may also be available from Microsoft’s Cu
 
 [gh-issue]: https://github.com/microsoft/WSL/issues/new/choose
 [gh-bug]: https://github.com/microsoft/WSL/issues/new?assignees=&labels=&template=bug_report.md&title=
-[gh-feature]: https://github.com/microsoft/WSL/issues/new?assignees=&labels=feature&template=feature_request.md&title=
+[gh-feature]: https://github.com/microsoft/WSL/issues/new?assignees=&labels=feature&template=feature_request.md&title=