Rename `Export Ergo public key` to `Export Extended Public Key` #361

Job	Run time
Generate project documentation	26s
Clang Static Analyzer ($NANOSP_SDK)	1m 20s
Clang Static Analyzer ($STAX_SDK)	2m 12s
Unit tests	33s
Build application using the reusable workflow / Retrieve application metadata / Retrieve application metadata	5s
Build application using the reusable workflow / Build application for NanoS, X, S+, and Stax (nanosp)	32s
Build application using the reusable workflow / Build application for NanoS, X, S+, and Stax (nanox)	36s
Build application using the reusable workflow / Build application for NanoS, X, S+, and Stax (flex)	36s
Build application using the reusable workflow / Build application for NanoS, X, S+, and Stax (stax)	55s
Build application using the reusable workflow / Merge build artifacts	7s
Functional Tests (nanox, nanox)	3m 38s
Functional Tests (nanosp, nanos2)	3m 51s
	14m 51s

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