Enable invalid_runtime_check_with_js_interop_types, use_truncating_division (flutter#153464)

invalid_runtime_check_with_js_interop_types has been added to recommended: dart-archive/lints@894b500

Author: goderbauer

analysis_options.yaml

@@ -114,7 +114,7 @@ linter:
     - implicit_call_tearoffs
     - implicit_reopen
     - invalid_case_patterns
-    # - invalid_runtime_check_with_js_interop_types # not yet tested
+    - invalid_runtime_check_with_js_interop_types
     # - join_return_with_assignment # not required by flutter style
     - leading_newlines_in_multiline_strings
     - library_annotations
@@ -256,6 +256,6 @@ linter:
     - use_super_parameters
     - use_test_throws_matchers
     # - use_to_and_as_if_applicable # has false positives, so we prefer to catch this by code-review
-    # - use_truncating_division # not yet tested
+    - use_truncating_division
     - valid_regexps
     - void_checks