Set policy UserDataSnapshotRentionLimit available starting at M83

BYPASS_POLICY_COMPATIBILITY_CHECK=<M82 skipped>

Bug: 1070628
Change-Id: I26fde58b7cf27ab6732da6300333705b7f8993e1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2147774
Commit-Queue: Yann Dago <ydago@chromium.org>
Reviewed-by: Pavol Marko <pmarko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759100}

components/policy/resources/policy_templates.json

@@ -19898,7 +19898,7 @@
       'owners': ['ydago@chromium.org', 'grt@chromium.org'],
       'type': 'int',
       'schema': { 'type': 'integer', 'minimum': 0 },
-      'supported_on': ['chrome.*:82-'],
+      'supported_on': ['chrome.*:83-'],
       'features': {
         'dynamic_refresh': False,
         'per_profile': False,