chore: prepare for v1.22.0 release (#2219)

* chore: set release version to 1.22.0

* docs: update changelog for latest 1.22.0 fix

* docs: update changelog for latest 1.22.0 fixes

* docs: update changelog for latest 1.22.0 changes

---------

Co-authored-by: BobTheBuidler <bobthebuidlerdefi@gmail.com>

Author: dependabot[bot]

CHANGELOG.md

@@ -96,6 +96,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Remove pytest skip strict keyword ([#2210](https://github.com/eth-brownie/brownie/pull/2210))
 - Normalize explorer solc version checks ([#2211](https://github.com/eth-brownie/brownie/pull/2211))
 - Guard old Vyper output selection cleanup ([#2212](https://github.com/eth-brownie/brownie/pull/2212))
+- Stop event watcher before disconnect ([#2213](https://github.com/eth-brownie/brownie/pull/2213))
+- Narrow event watcher provider teardown guard ([#2214](https://github.com/eth-brownie/brownie/pull/2214))
+- Reject empty code contract attachment ([#2215](https://github.com/eth-brownie/brownie/pull/2215))
+- Make PragmaNotFound an exception subclass ([#2216](https://github.com/eth-brownie/brownie/pull/2216))
+- Microoptimize cache middleware gate ([#2218](https://github.com/eth-brownie/brownie/pull/2218))
+- Use Petersburg for Vyper beta16 default EVM ([#2217](https://github.com/eth-brownie/brownie/pull/2217))
 
 ## [1.21.0](https://github.com/eth-brownie/brownie/tree/v1.21.0) - 2025-05-23
 ### Fixed

setup.py

@@ -92,7 +92,7 @@
         include=["brownie", "brownie.*"],
         exclude=["brownie.__pycache__", "brownie.*.__pycache__"],
     ),
-    version="1.22.0.dev4",  # don't change this manually, use bumpversion instead
+    version="1.22.0",  # don't change this manually, use bumpversion instead
     license="MIT",
     description="A Python framework for Ethereum smart contract deployment, testing and interaction.",  # noqa: E501
     long_description=long_description,