Add support for nitrokey 3 distinction between the secrets app firmware and the device firmware versions

[sosthene-nitrokey]

Fix #38

[tlaurion]

@sosthene-nitrokey just want to make sure we are at the same page:

<nk3

HOTP code verification application, version 1.7
Connected device status:
Card serial: 0x7BE66C6C
         Firmware Nitrokey 2: v1.7.1
OpenPGP smartcard PIN counters : Admin: 3, User: 3
Operation success

nk3:

HOTP code verification application, version 1.7
Connected device status:
Card serial: 0x7BE66C6C
         Firmware Nitrokey 3: v1.7.1
         Firmware Secrets app: v4.13
Secret app PIN counter : 6
OpenPGP smartcard PIN counters : Admin: 3, User: 3
Operation success

Originally posted by @tlaurion in #38 (comment)

[nestire]

Test with nk pr + nk stroage

ls -lh hotp_verification
-rwxr-xr-x 1 user user 59K Nov 27 11:20 hotp_verification
sha256sum hotp_verification
4a6db3c562d75bc637e23394080f3821c47774175780d8f72e45430fb9897181  hotp_verification
[user@work nitrokey-hotp-verification (more-info)]$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 013: ID 20a0:4108 Clay Logic Nitrokey Pro
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
[user@work nitrokey-hotp-verification (more-info)]$ ./hotp_verification info
HOTP code verification application, version 1.6

Connected device status:
	Card serial: 0xFFFFFFFF
	Firmware Nitrokey 3: v3.14980.0
	Firmware Secrets App: v255.0
	Card counters: Admin 3, User 3
Operation success
[user@work nitrokey-hotp-verification (more-info)]$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 014: ID 20a0:4109 Clay Logic Nitrokey Storage
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
[user@work nitrokey-hotp-verification (more-info)]$ ./hotp_verification info
HOTP code verification application, version 1.6

Connected device status:
	Card serial: 0xFFFFFFFF
	Firmware Nitrokey 3: v0.0.0
	Firmware Secrets App: v255.0
	Card counters: Admin 3, User 3
Operation success
[user@work nitrokey-hotp-verification (more-info)]$