chore: update version to 0.2.0-dev.8 #802

Job	Run time
Build Android Libraries (aarch64-linux-android)	2m 11s
Build Library (linux-aarch64, anoncreds-ubuntu-latest, aarch64-unknown-linux-gnu, libanoncreds.so...	3m 48s
Lint	27s
Build Android Libraries (armv7-linux-androideabi)	3m 28s
Test (anoncreds-windows-latest)	12m 54s
Build Library (linux-x86_64, anoncreds-ubuntu-latest, x86_64-unknown-linux-gnu, libanoncreds.so, ...	4m 57s
Build Android Libraries (i686-linux-android)	3m 28s
Build Library (darwin-x86_64, macos-latest, x86_64-apple-darwin, libanoncreds.dylib)	6m 51s
Test (anoncreds-ubuntu-latest)	5m 46s
Build Library (darwin-aarch64, macos-latest, aarch64-apple-darwin, libanoncreds.dylib)	5m 39s
Build Android Libraries (x86_64-linux-android)	3m 17s
Build ios Libraries (aarch64-apple-ios)	5m 25s
Build Library (darwin-universal, macos-latest, darwin-universal, libanoncreds.dylib)	8m 25s
Build ios Libraries (aarch64-apple-ios-sim)	6m 0s
Build ios Libraries (x86_64-apple-ios)	4m 47s
Build Library (windows-x86_64, anoncreds-windows-latest, windows-x86_64, x86_64-pc-windows-msvc, ...	9m 9s
Create android libraries	0s
Create ios xcframework	0s
Create iOS and Android Release Assets	0s
Build Python (anoncreds-ubuntu-latest, linux-aarch64, manylinux2014_aarch64)	21s
Build Python (anoncreds-ubuntu-latest, linux-x86_64, manylinux2014_x86_64)	31s
Build and Test JavaScript wrapper	37s
Build Python (macos-latest, darwin-universal, macosx_10_9_universal2)	41s
Build Python (anoncreds-windows-latest, windows-x86_64, win_amd64)	17s
	1h 28m 59s

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