ci/linter exclude file with false positive (#165)

- False positive cpplint/cpplint#131
- No way to do line-specific filter cpplint/cpplint#171

Signed-off-by: Alex Moriarty <alex.moriarty@picknik.ai>

.github/workflows/ci-ros-lint.yml

@@ -53,7 +53,7 @@ jobs:
       with:
         distribution: rolling
         linter: cpplint
-        arguments: "--linelength=100 --filter=-whitespace/newline"
+        arguments: "--linelength=100 --filter=-whitespace/newline --exclude=kortex_driver/src/kortex_math_util.cpp"
         package-name:
           kortex_bringup
           kortex_driver