Support Sourcefire PKCS12 password

[swaterkamp]

Added support for the PKCS12 password used by sourcefire. This includes adding a new credential type (pw) to gsa and gsad.

Checklist:

• [ N/A ] Tests
• [ X ] CHANGES Entry

[codecov]

Codecov Report

Merging #1150 into master will decrease coverage by <.01%.
The diff coverage is 6.89%.

@@            Coverage Diff             @@
##           master    #1150      +/-   ##
==========================================
- Coverage   15.28%   15.28%   -0.01%     
==========================================
  Files         843      843              
  Lines       27025    27046      +21     
  Branches     5755     5773      +18     
==========================================
+ Hits         4131     4133       +2     
- Misses      21494    21512      +18     
- Partials     1400     1401       +1

Impacted Files	Coverage Δ
gsa/src/gmp/commands/alerts.js	7.89% <ø> (ø)	⬆️
gsa/src/web/pages/alerts/dialog.js	0% <ø> (ø)	⬆️
gsa/src/web/pages/credentials/dialog.js	0% <0%> (ø)	⬆️
gsa/src/web/pages/alerts/sourcefiremethodpart.js	0% <0%> (ø)	⬆️
gsa/src/web/pages/alerts/component.js	0% <0%> (ø)	⬆️
gsa/src/gmp/models/credential.js	96.55% <66.66%> (-1.64%)	⬇️

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