[FR] 8.10 Release Preparation and Update Main Branch to 8.11 (#3012)

* prepping for 8.11 branch

* fixed lint errors

* added 8.11 to stack schema map

* trimmed version lock file; adjusted new terms validation

* reverting changes to version lock, stack schema and workflow

.github/workflows/lock-versions.yml

@@ -6,7 +6,7 @@ on:
           description: 'List of branches to lock versions (ordered, comma separated)'
           required: true
           # 7.17 was intentionally skipped because it was added late and was bug fix only
-          default: '8.3,8.4,8.5,8.6,8.7,8.8,8.9'
+          default: '8.3,8.4,8.5,8.6,8.7,8.8,8.9,8.10'
 
 jobs:
   pr: