Bump golang.org/x/tools dependency version

[sa7mon]

Describe the PR
Update the golang.org/x/tools dependency from v1.0.10 to v1.0.12. This resolves a number of transitive vulnerabilities from the outdated version:

• https://www.mend.io/vulnerability-database/CVE-2022-27664
• https://www.mend.io/vulnerability-database/CVE-2012-6708
• https://www.mend.io/vulnerability-database/CVE-2015-9251
• https://www.mend.io/vulnerability-database/CVE-2020-11022

To be honest, I haven't looked into whether these vulnerabilities are actually exploitable in a project that uses swag, but since the unit tests pass with the updated library I figured it's probably an easy change.

Relation issue
#1337

Additional context
n/a

[codecov]

Codecov Report

Base: 95.64% // Head: 95.64% // No change to project coverage 👍

Coverage data is based on head (df636d3) compared to base (075c176).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1338   +/-   ##
=======================================
  Coverage   95.64%   95.64%           
=======================================
  Files          14       14           
  Lines        2871     2871           
=======================================
  Hits         2746     2746           
  Misses         70       70           
  Partials       55       55           

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[ubogdan]

LGTM

[ubogdan]

@sa7mon Thanks for your contribution.

[ubogdan]

LGTM