establishContextRequested

Fired when |SCardEstablishContext| is called.

This maps to: PC/SC Lite: https://pcsclite.apdu.fr/api/group__API.html#gaa1b8970169fd4883a6dc4a8f43f19b67 Microsoft: https://learn.microsoft.com/en-us/windows/win32/api/winscard/nf-winscard-scardestablishcontext