fix: throw an error if incorrect ledger is used

[rootulp]

Motivated by this Slack thread. This PR is similar to cosmos#19691

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 64.31%. Comparing base (2a2347c) to head (de7494d).

Additional details and impacted files

@@                     Coverage Diff                      @@
##           release/v0.46.x-celestia     #374      +/-   ##
============================================================
- Coverage                     64.33%   64.31%   -0.02%     
============================================================
  Files                           761      761              
  Lines                         76378    76386       +8     
============================================================
- Hits                          49139    49130       -9     
- Misses                        24463    24481      +18     
+ Partials                       2776     2775       -1     

Files	Coverage Δ
crypto/keyring/keyring.go	63.03% <66.66%> (-0.01%)	⬇️

... and 3 files with indirect coverage changes

[rootulp]

Run unit tests via:

go test ./... -tags "cgo,ledger,test_ledger_mock,norace" -run "TestSignWithLedger"

Add this to your VSCode workspace settings to get rid of gopls errors:

    "go.buildTags": "cgo,ledger,test_ledger_mock,norace",