Fix #827 - passhprase typos

[TuningYourCode]

Fixes #827

Requirements

All new code should be covered with tests, documentation should be updated. CI should pass.

Description of the Change

Fixed passhprase typos.

Checklist

• unit-test added (if change is algorithm)
• functional test added/updated (if change is functional)
• man page updated (if applicable)
• bash completion updated (if applicable)
• documentation updated
• author name in AUTHORS

Nothing required for this one.

[codecov]

Codecov Report

Merging #867 into master will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff           @@
##           master     #867   +/-   ##
=======================================
  Coverage   63.84%   63.84%           
=======================================
  Files          54       54           
  Lines        6651     6651           
=======================================
  Hits         4246     4246           
  Misses       1881     1881           
  Partials      524      524

Impacted Files	Coverage Δ
pgp/gnupg.go	64.56% <ø> (ø)	⬆️
pgp/internal.go	51.95% <0%> (ø)	⬆️

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[smira]

thank you!