tf-m-release: Switch back to main branch

TF-M release is finished. Switch back to main branch for regular tests.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Id3871f53bbbbdf04869d272e0077ef7191b9cde0
diff --git a/tf-m-release.yaml b/tf-m-release.yaml
index 0e1b683..84aee33 100644
--- a/tf-m-release.yaml
+++ b/tf-m-release.yaml
@@ -36,15 +36,15 @@
           default: 'https://git.trustedfirmware.org/ci/tf-m-ci-scripts'
       - string:
           name: 'CI_SCRIPTS_BRANCH'
-          default: 'release/2.0.x'
+          default: 'master'
       - string:
           name: 'GERRIT_REFSPEC'
-          default: 'refs/heads/release/2.0.x'
+          default: 'refs/heads/main'
           description: |
             For use when triggering with specified tag or master 'refs/heads/main' or 'refs/tags/TF-Mv1.0'.
       - string:
           name: 'GERRIT_BRANCH'
-          default: 'release/2.0.x'
+          default: 'main'
           description: |
             TF-M branch.
       - string: