chore: add lcov files to gitignore

.gitignore

@@ -1,20 +1,16 @@
-# Created by https://www.toptal.com/developers/gitignore/api/rust,python
-# Edit at https://www.toptal.com/developers/gitignore?templates=rust,python
-### Rust ###
-# Generated by Cargo
-# will have compiled files and executables
-debug/
-/target
+### Lcov ###
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
+*.lcov
 
-# These are backup files generated by rustfmt
-**/*.rs.bk
+# Created by https://www.toptal.com/developers/gitignore/api/rust,python,gcov
+# Edit at https://www.toptal.com/developers/gitignore?templates=rust,python,gcov
 
-# MSVC Windows builds of rustc generate these, which store debugging information
-*.pdb
+### Gcov ###
+# gcc coverage testing tool files
+
+*.gcno
+*.gcda
+*.gcov
 
 ### Python ###
 # Byte-compiled / optimized / DLL files
@@ -188,4 +184,20 @@ poetry.toml
 # LSP config files
 pyrightconfig.json
 
-# End of https://www.toptal.com/developers/gitignore/api/rust,python
+### Rust ###
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+/target
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+# End of https://www.toptal.com/developers/gitignore/api/rust,python,gcov