ignore example for coverage

coverage.py

@@ -20,7 +20,7 @@ def generate_cov_report(open_report: bool, format: str):
         out_path = "./target/debug/lcov.info"
     os.system(
         f"grcov . -s . --binary-path ./target/debug/ -t {format} --branch --ignore-not-existing "
-        f"-o {out_path}"
+        f"--ignore \"examples/*\" -o {out_path}"
     )
     if format == "lcov":
         os.system(