Add IPv6 to “localhost” regex (#440)

[coderkun]

Add the IPv6 (::1) to the regex for “localhost”

Fix #440

[mention-bot]

@coderkun, thanks for your PR! By analyzing the history of the files in this pull request, we identified @LukasReschke, @tanghus and @nickvergessen to be potential reviewers.

[codecov]

Codecov Report

Merging #4862 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #4862      +/-   ##
============================================
+ Coverage     54.18%   54.18%   +<.01%     
  Complexity    22155    22155              
============================================
  Files          1363     1363              
  Lines         84842    84842              
  Branches       1322     1322              
============================================
+ Hits          45969    45971       +2     
+ Misses        38873    38871       -2

Impacted Files	Coverage Δ	Complexity Δ
lib/private/AppFramework/Http/Request.php	86.81% <ø> (ø)	147 <0> (ø)	⬇️
lib/private/Files/Cache/Propagator.php	94.93% <0%> (-1.27%)	16% <0%> (ø)
apps/files_trashbin/lib/Trashbin.php	73.64% <0%> (+0.24%)	133% <0%> (ø)	⬇️
apps/comments/lib/EventHandler.php	87.5% <0%> (+8.33%)	7% <0%> (ø)	⬇️

[ChristophWurst]

Makes sense! Thanks a lot!

[nickvergessen]

Only usage is "can set trusted domain" and it is necessary there, so good.