feat(datepicker): add swedish locale

[PerfectlyNormal]

PR Checklist

Before creating new PR, please take a look at checklist below to make sure that you've done everything that needs to be done before we can merge it.

• read and followed the CONTRIBUTING.md guide.
• built and tested the changes locally.
• added/updated tests.
• added/updated API documentation.
• added/updated demos.

[codecov]

Codecov Report

Merging #2804 into development will increase coverage by 0.06%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           development    #2804      +/-   ##
===============================================
+ Coverage        70.38%   70.44%   +0.06%     
===============================================
  Files              137      137              
  Lines             4092     4094       +2     
  Branches           711      712       +1     
===============================================
+ Hits              2880     2884       +4     
+ Misses             913      912       -1     
+ Partials           299      298       -1

Impacted Files	Coverage Δ
src/tabs/tab.directive.ts	88.37% <0%> (+1.19%)	⬆️
src/tooltip/tooltip.directive.ts	57.89% <0%> (+1.19%)	⬆️

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[valorkin]

@PerfectlyNormal hey, thanks for PR!
it would be awesome if you will migrate tests for locale too, could a separate PR

[YevheniiaMazur]

Tested, looks good