Updated changelog

ChangeLog

@@ -1,3 +1,24 @@
+3.0.0
+=====
+- Release wheels and source to PyPI with GH actions
+- Try to make tests more resilient
+- Don't build universal wheels
+- Migrate CI to GH Actions
+- Fix TXT CHAOS test
+- Add support for CAA queries
+- Support Python >= 3.6
+- Bump pycares dependency
+- Drop tasks.py
+- Allow specifying dnsclass for queries
+- Set URL to https
+- Add license args in setup.py
+- Converted Type Annotations to Py3 syntax Closes
+- Only run mypy on cpython versions
+- Also fix all type errors with latest mypy - pycares seems to have no typing / stubs so lets ignore it via `mypy.ini`
+- setup: typing exists since Python 3.5
+- Fix type annotation of gethostbyname()
+- Updated README
+
 2.0.0
 =====
 (changes since version 1.x)