linter 1.3.0

Change-Id: Iac54e6cb25445d8e3d03f6575d2b821051442f48
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/195052
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Phil Quitslund <pquitslund@google.com>

CHANGELOG.md

@@ -8,6 +8,21 @@
     daylight saving changes that are not precisely one hour.
     (No change on the Web which uses the JavaScript `Date` object.)
 
+
+### Tools
+
+#### Linter
+
+Updated the Linter to `1.3.0`, which includes:
+
+- updated `non_constant_identifier_names` to check local variables, for-loop
+  initializers and catch clauses.
+- updated error range of `lines_longer_than_80_chars` to start at 80 to make
+  splitting easier.
+- new lint: `require_trailing_commas`.
+- new lint: `prefer_null_aware_method_calls`.
+
+
 ## 2.13.0
 
 ### Language

DEPS

@@ -119,7 +119,7 @@ vars = {
   "intl_tag": "0.17.0-nullsafety",
   "jinja2_rev": "2222b31554f03e62600cd7e383376a7c187967a1",
   "json_rpc_2_rev": "b8dfe403fd8528fd14399dee3a6527b55802dd4d",
-  "linter_tag": "1.2.1",
+  "linter_tag": "1.3.0",
   "logging_rev": "e2f633b543ef89c54688554b15ca3d7e425b86a2",
   "markupsafe_rev": "8f45f5cfa0009d2a70589bcda0349b8cb2b72783",
   "markdown_rev": "9c4beaac96d8f008078e00b027915f81b665d2de",