Add CHANGELOG.md for 0.10.0 release

This is the first one and only lists changes from 0.9.0 to 0.10.0

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](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
+specifically the [variant used by Rust](http://doc.crates.io/manifest.html#the-version-field).
+
+## [0.10.0] - 2023-02-10
+### Fixed
+- audiornnoise: Use correct value range for the samples
+- awss3sink: Treat stopping without EOS as an error for multipart upload
+- awss3hlssink: Fix the name of the hlssink child element
+- awss3hlssink: Fix deadlock on EOS
+- dav1d: Various fixes to improve performance, to handle decoding errors more
+  gracefully and to make sure all frames are output in the end
+- fmp4mux: Various fixes to fragment splitting behaviour, output formatting
+  and header generation
+- gtk4: Various stability and rendering fixes
+- meson: Various fixes and improvements to the meson-based build system
+- ndi: provide non-Linux/macOS UNIX fallback for the soname
+- ndisrc: Use default channel mask for audio output to allow >2 channels to
+  work better
+- rav1e: Correctly enable threading support
+- rtpav1: Various fixes to the payloader and depayloader to handle streams
+  more correctly and to handle errors more cleanly
+- rtpav1depay: Set caps on the source pad
+- spotify: fix "start a runtime from within a runtime" with static link
+- textahead: fix previous buffers
+- textwrap: Don't panic on empty buffers
+- tttocea608: Don't fail if a GAP event contains no duration
+- webrtchttp: whipsink: construct TURN URL correctly
+- webrtcsink: fix panic on pre-bwe request error
+- whipsink: Send ICE candidates together with the offer
+- whipsink: Various cleanups and minor fixes
+
+### Added
+- audiornnoise: Add voice detection threshold property
+- awss3hlssink: Add `stats` property
+- awss3sink: Add properties to set Content-Type and Content-Disposition
+- fmp4mux: add 'offset-to-zero' property
+- fmp4mux/mp4mux: add support for muxing Opus, VP8, VP9 and AV1 streams
+- fmp4mux/mp4mux: Make media/track timescales configurable
+- fmp4mux: Add support for CMAF-style chunking, e.g. low-latency / LL HLS and DASH
+- gtk4: Support for rendering GL textures on X11/EGL, X11/GLX, Wayland and macOS
+- hlssink3: Allow generating i-frame-only playlist
+- livesync: New element that alllows maintaining a contiguous live stream
+  without gaps from a potentially unstable source.
+- mp4mux: New non-fragmented MP4 muxer element
+- spotifyaudiosrc: Support configurable bitrate
+- textahead: add settings to display previous buffers
+- threadshare: Introduce new ts-audiotestsrc
+- webrtcsink: Support nvv4l2vp9enc
+- whepsource: Add a WebRTC WHEP source element
+
+### Changed
+- audiofx: Derive from AudioFilter where possible
+- dav1ddec: Lower rank to primary to allow usage of hardware decoders with
+  higher ranks
+- fmp4mux: Only push `fragment_offset` if `write-mfra` is true to reduce memory usage
+- webrtcsink: Make the `turn-server` property a `turn-servers` list
+- webrtcsink: Move from async-std to tokio
+
+[Unreleased]: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/compare/0.10.0...HEAD
+[0.10.0]: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/compare/0.9.0...0.10.0