Prepare 0.6.2 (#728)

[Full Changelog](https://github.com/python-kasa/python-kasa/compare/0.6.1...0.6.2)

Release highlights:
* Support for tapo power strips (P300)
* Performance improvements and bug fixes

**Implemented enhancements:**

- Implement alias set for tapodevice [\#721](https://github.com/python-kasa/python-kasa/pull/721) (@rytilahti)
- Initial support for tapos with child devices [\#720](https://github.com/python-kasa/python-kasa/pull/720) (@rytilahti)
- Avoid rebuilding urls for every request [\#715](https://github.com/python-kasa/python-kasa/pull/715) (@bdraco)
- Reduce the number of times creating the cipher in klap [\#712](https://github.com/python-kasa/python-kasa/pull/712) (@bdraco)
- Use hashlib for klap [\#711](https://github.com/python-kasa/python-kasa/pull/711) (@bdraco)
- Enable batching of multiple requests [\#662](https://github.com/python-kasa/python-kasa/pull/662) (@sdb9696)

**Merged pull requests:**

- Update L510E\(US\) fixture with mac prefix [\#722](https://github.com/python-kasa/python-kasa/pull/722) (@sdb9696)
- Add P300 fixture [\#717](https://github.com/python-kasa/python-kasa/pull/717) (@rytilahti)
- Use hashlib in place of hashes.Hash [\#714](https://github.com/python-kasa/python-kasa/pull/714) (@bdraco)
- Switch from TPLinkSmartHomeProtocol to IotProtocol/XorTransport [\#710](https://github.com/python-kasa/python-kasa/pull/710) (@sdb9696)
- Add concrete XorTransport class with full implementation [\#646](https://github.com/python-kasa/python-kasa/pull/646) (@sdb9696)

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "python-kasa"
-version = "0.6.1"
+version = "0.6.2"
 description = "Python API for TP-Link Kasa Smarthome devices"
 license = "GPL-3.0-or-later"
 authors = ["python-kasa developers"]