Add cyw43/cyw43-pio changelogs

cyw43-pio/CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+## 0.2.0 - 2024-08-05
+
+- Update to cyw43 0.2.0
+- Update to embassy-rp 0.2.0
+
+## 0.1.0 - 2024-01-11
+
+- First release

cyw43/CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+## 0.2.0 - 2024-08-05
+
+- Update to new versions of embassy-{time,sync}
+- Add more fields to the BssInfo packet struct #2461
+- Extend the Scan API #2282
+- Reuse buf to reduce stack usage #2580
+- Add MAC address getter to cyw43 controller #2818
+- Add function to join WPA2 network with precomputed PSK. #2885
+- Add function to close soft AP. #3042
+- Fixing missing re-export #3211
+
+## 0.1.0 - 2024-01-11
+
+- First release