Fix deprecated lcov arguments

Fixes #40.

Author: jasgaa

colcon_lcov_result/task/lcov.py

@@ -57,7 +57,7 @@ async def lcov_capture(self, *, additional_hooks=None):  # noqa: D102
         if args.initial:
             output_file = baseline_file
             additional_args = ['--initial',
-                               '--rc', 'lcov_branch_coverage=0']
+                               '--rc', 'branch_coverage=0']
         else:
             output_file = os.path.join(pkg_build_folder, 'coverage.info')
             additional_args = []

colcon_lcov_result/verb/configuration/lcovrc

@@ -21,11 +21,11 @@ lcov_quiet = 1
 
 # Specify if function coverage data should be collected and
 # processed.
-lcov_function_coverage = 1
+function_coverage = 1
 
 # Specify if branch coverage data should be collected and
 # processed.
-lcov_branch_coverage = 1
+branch_coverage = 1
 
 ## Follow symlinks
 lcov_follow = 1