Add update password command

[SonuBardai]

https://github.com/SonuBardai/lockbox/issues/69

[codecov-commenter]

Codecov Report

Merging #79 (70b8e80) into main (71da277) will decrease coverage by 5.05%. Report is 9 commits behind head on main. The diff coverage is 9.43%.

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

@@            Coverage Diff             @@
##             main      #79      +/-   ##
==========================================
- Coverage   92.50%   87.45%   -5.05%     
==========================================
  Files           9        9              
  Lines        1547     1690     +143     
==========================================
+ Hits         1431     1478      +47     
- Misses        116      212      +96     

Files Changed	Coverage Δ
src/cli/mod.rs	73.46% <0.00%> (-14.34%)	:arrow_down:
src/store/mod.rs	94.34% <0.00%> (-4.74%)	:arrow_down:
src/cli/commands.rs	82.38% <4.34%> (-10.18%)	:arrow_down:
src/pass/mod.rs	92.14% <11.76%> (-7.86%)	:arrow_down:
src/cli/args.rs	87.39% <46.66%> (-2.74%)	:arrow_down:

... and 1 file with indirect coverage changes