Update python wrapper to 0.4.3 #990

Job	Run time
Run checks (ubuntu-latest)	26s
Run checks (macos-latest)	42s
Run checks (windows-latest)	59s
Run tests (ubuntu-latest)	2m 38s
Build library (iOS) (aarch64-apple-ios)	3m 4s
Run tests (macos-latest)	1m 57s
Build library (Android) (aarch64-linux-android)	3m 54s
Build library (iOS) (aarch64-apple-ios-sim)	2m 43s
Build library (linux-aarch64, ubuntu-latest, libaries_askar.so, aarch64-unknown-linux-gnu, true)	3m 29s
Run tests (windows-latest)	5m 54s
Build library (Android) (armv7-linux-androideabi)	4m 2s
Build library (linux-x86_64, ubuntu-latest, libaries_askar.so, x86_64-unknown-linux-gnu, true)	3m 22s
Build library (iOS) (x86_64-apple-ios)	2m 21s
Build library (Android) (i686-linux-android)	4m 37s
Build library (darwin-universal, macos-latest, libaries_askar.dylib, darwin-universal, beta)	5m 10s
Build library (Android) (x86_64-linux-android)	4m 11s
Build library (windows-x86_64, windows-latest, aries_askar.dll, x86_64-pc-windows-msvc)	6m 4s
Create iOS xcframework	22s
Create library (Android)	7s
Create iOS and Android release assets	0s
Build and test Python wrapper (linux-aarch64, 3.8)	22s
Build and test Python wrapper (linux-x86_64, 3.8)	26s
Build and test Python wrapper (darwin-universal, 3.8)	52s
Build and test Python wrapper (windows-x86_64, 3.8)	55s
Successful build	1s
Publish Python package	0s
	58m 38s

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