update CHANGELOG and bump version to 3.0.1

Author: beniwohli

CHANGELOG.md

@@ -1,8 +1,8 @@
 # Changelog
 
-## Next release
+## v3.0.1
 
-[Check the diff](https://github.com/elastic/apm-agent-python/compare/v3.0.0...master)
+[Check the diff](https://github.com/elastic/apm-agent-python/compare/v3.0.0...v3.0.1)
 
  * added sanitization for `Set-Cookie` response headers (#264)
  * added instrumentation for the non-standard `Connection.execute()` method for SQLite3 (#271)

CONTRIBUTING.md

@@ -96,7 +96,7 @@ should "Squash and merge".
 If you have commit access, the process is as follows:
 
 1. Update the version in `elasticapm/version.py` according to the scale of the change. (major, minor or patch)
-1. Update `CHANGELOG.asciidoc`
+1. Update `CHANGELOG.md`
 1. Commit changes with message `update CHANGELOG and bump version to x.y.z` where `x.y.z` is the version in `elasticapm/version.py`
 1. Tag the commit with `git tag vx.y.x`, for example `git tag v1.2.3`
 1. Reset the current major branch (`1.x`, `2.x` etc) to point to the current master, e.g. `git branch -f 1.x master`

elasticapm/version.py

@@ -1,2 +1,2 @@
-__version__ = (3, 0, 0)
+__version__ = (3, 0, 1)
 VERSION = ".".join(map(str, __version__))