docs: add missing PR entries to 0.9.0 changelog

Author: fortissimo1997

CHANGELOG.md

@@ -13,12 +13,7 @@
 
 * Change branch references from main to master ([9a841c9](https://github.com/fortissimo1997/simplecov-lcov/commit/9a841c984d51470290f7fdbf604956ea3e695658))
 * Update branch references from main to master ([ea50994](https://github.com/fortissimo1997/simplecov-lcov/commit/ea509945efa51929265329dac74744a15a16295d))
-
-## Changelog
-
-> ℹ️ This file is managed by **release-please**.
-> It will be automatically updated in future release PRs. Manual editing is generally not needed.
-
-## Unreleased
-
-- Set up release-please and RubyGems Trusted Publishing.
+* Fix incompatibility with simplecov < 0.18 by adding `respond_to?` check for `branch_coverage?` method ([0b3a499](https://github.com/fortissimo1997/simplecov-lcov/commit/0b3a499ebb98e677f275aa1e42bbb18fecde70da)) - thanks @RobinDaugherty
+* Fix instance variable not initialized warning for `@single_report_path` ([30e6751](https://github.com/fortissimo1997/simplecov-lcov/commit/30e6751efed7eac2e223e59ce044b955a3ea7c42)) - thanks @MattFenelon
+* Add LF (Lines Found) and LH (Lines Hit) to LCOV output ([32c2516](https://github.com/fortissimo1997/simplecov-lcov/commit/32c251674dd813b3bc7f90696e0d83acc6272102)) - thanks @ricardokrieg
+* Avoid blank lines in LCOV output ([b2d0a3b](https://github.com/fortissimo1997/simplecov-lcov/commit/b2d0a3b83d225acd8355d00a7be178d6ee0e8a90)) - thanks @apiology