Add method to ping store sessions; verify profile existence when opening a session #511

Job	Run time
Run checks (ubuntu-latest)	2m 10s
Run checks (macos-latest)	1m 33s
Run checks (windows-latest)	3m 43s
Run tests (ubuntu-latest)	6m 3s
Run tests (macos-latest)	9m 27s
Run tests (windows-latest)	7m 8s
Build library (iOS) (aarch64-apple-ios)	7m 30s
Build library (iOS) (aarch64-apple-ios-sim)	10m 8s
Build library (iOS) (x86_64-apple-ios)	12m 26s
Build library (Android) (aarch64-linux-android)	10m 31s
Build library (Android) (armv7-linux-androideabi)	9m 51s
Build library (Android) (i686-linux-android)	11m 16s
Build library (Android) (x86_64-linux-android)	8m 23s
Build library (linux-aarch64, ubuntu-latest, libaries_askar.so, aarch64-unknown-linux-gnu, true)	6m 16s
Build library (linux-x86_64, ubuntu-latest, libaries_askar.so, x86_64-unknown-linux-gnu, true)	5m 14s
Build library (darwin-universal, macos-latest, libaries_askar.dylib, darwin-universal, beta)	17m 48s
Build library (windows-x86_64, windows-latest, aries_askar.dll, x86_64-pc-windows-msvc)	6m 53s
Create library (Android)	21s
Create iOS xcframework	1m 34s
Create iOS and Android release assets	0s
Build and test JavaScript wrapper	1m 55s
Build and test Python wrapper (linux-aarch64, 3.8)	27s
Build and test Python wrapper (linux-x86_64, 3.8)	34s
Build and test Python wrapper (darwin-universal, 3.8)	34s
Build and test Python wrapper (windows-x86_64, 3.8)	57s
	2h 22m 42s

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