release: bump to version 1.2.0rc2

Co-authored-by: Bjorn Neergaard <bjorn@neersighted.com>

CHANGELOG.md

 # Change Log
 
+## [1.2.0rc2] - 2022-08-26
+
+### Fixed
+
+- Fixed an issue where virtual environments were created unnecessarily when running `poetry self` commands ([#6226](https://github.com/python-poetry/poetry/pull/6226))
+- Ensure that packages' `pretty_name` are written to the lock file ([#6243](https://github.com/python-poetry/poetry/pull/6243))
+
+### Improvements
+
+- Improved the consistency of `Pool().remove_repository()` to make it easier to write poetry plugins ([#6231](https://github.com/python-poetry/poetry/pull/6231))
+
+### Docs
+
+- Removed mentions of Python 2.7 from docs ([#6235](https://github.com/python-poetry/poetry/pull/6235))
+- Added note about the difference between groups and extras ([#6232](https://github.com/python-poetry/poetry/pull/6232))
+
+
 ## [1.2.0rc1] - 2022-08-22
 
 ### Added
@@ -1483,7 +1500,8 @@ Initial release
 
 
 
-[Unreleased]: https://github.com/python-poetry/poetry/compare/1.2.0rc1...master
+[Unreleased]: https://github.com/python-poetry/poetry/compare/1.2.0rc2...master
+[1.2.0rc2]: https://github.com/python-poetry/poetry/releases/tag/1.2.0rc2
 [1.2.0rc1]: https://github.com/python-poetry/poetry/releases/tag/1.2.0rc1
 [1.2.0b3]: https://github.com/python-poetry/poetry/releases/tag/1.2.0b3
 [1.2.0b2]: https://github.com/python-poetry/poetry/releases/tag/1.2.0b2

pyproject.toml

@@ -44,7 +44,7 @@ generate-setup-file = false
 [tool.poetry.dependencies]
 python = "^3.7"
 
-poetry-core = "^1.1.0rc1"
+poetry-core = "^1.1.0rc2"
 poetry-plugin-export = "^1.0.6"
 cachecontrol = { version = "^0.12.9", extras = ["filecache"] }
 cachy = "^0.3.0"