Merge pull request #16152 from srini100/master

Fix spaces in mergeable config file
diff --git a/.github/mergeable.yml b/.github/mergeable.yml
index dcc5e03..f0180b9 100644
--- a/.github/mergeable.yml
+++ b/.github/mergeable.yml
@@ -1,6 +1,6 @@
 mergeable:
   pull_requests:
-     label:
-       must_include:
-          regex: `release notes:yes|release notes:no`
-          message: `Add release notes yes/no label. For yes, add lang label`
+    label:
+      must_include:
+        regex: "release notes:yes|release notes:no"
+        message: "Add release notes yes/no label. For yes, add lang label"