Exclude _cython_api0 from coverage report

Author: oleksandr-pavlyk

scripts/gen_coverage.py

@@ -140,7 +140,8 @@ def find_objects():
                 os.path.join(bin_llvm, "llvm-cov"),
                 "export",
                 "-format=lcov",
-                "-ignore-filename-regex=/tmp/icpx*",
+                "-ignore-filename-regex=/tmp/icpx.*",
+                "-ignore-filename-regex=/tmp/.*_cython_api0.*",
                 "-instr-profile=" + instr_profile_fn,
             ]
             + objects,