Updated changelog (#1332)

Author: antonpirker

CHANGELOG.md

@@ -20,6 +20,15 @@ sentry-sdk==1.5.0
 
 A major release `N` implies the previous release `N-1` will no longer receive updates. We generally do not backport bugfixes to older versions unless they are security relevant. However, feel free to ask for backports of specific commits on the bugtracker.
 
+## 1.5.5
+
+- Add session tracking to ASGI integration (#1329)
+- Pinning test requirements versions (#1330)
+- Allow classes to short circuit serializer with `sentry_repr` (#1322)
+- Set default on json.dumps in compute_tracestate_value to ensure string conversion (#1318)
+
+Work in this release contributed by @tomchuk. Thank you for your contribution!
+
 ## 1.5.4
 
 - Add Python 3.10 to test suite (#1309)
@@ -107,7 +116,7 @@ Work in this release contributed by @galuszkak, @kianmeng, @ahopkins, @razumeiko
 This release contains a breaking change
 
 - **BREAKING CHANGE**: Feat: Moved `auto_session_tracking` experimental flag to a proper option and removed explicitly setting experimental `session_mode` in favor of auto detecting its value, hence enabling release health by default #994
-- Fixed Django transaction name by setting the name to  `request.path_info` rather than `request.path`
+- Fixed Django transaction name by setting the name to `request.path_info` rather than `request.path`
 - Fix for tracing by getting HTTP headers from span rather than transaction when possible #1035
 - Fix for Flask transactions missing request body in non errored transactions #1034
 - Fix for honoring the `X-Forwarded-For` header #1037
@@ -128,7 +137,7 @@ This release contains a breaking change
 ## 0.20.0
 
 - Fix for header extraction for AWS lambda/API extraction
-- Fix multiple **kwargs type hints # 967
+- Fix multiple \*\*kwargs type hints # 967
 - Fix that corrects AWS lambda integration failure to detect the aws-lambda-ric 1.0 bootstrap #976
 - Fix AWSLambda integration: variable "timeout_thread" referenced before assignment #977
 - Use full git sha as release name #960