Bump analytics event to v0.15.0

[BillCarsonFr]

Preliminary work for #7767

Update matrix-analytics-events to version 0.15.0

Pull Request Checklist

• I read the contributing guide
• UI change has been tested on both light and dark themes, in portrait and landscape orientations and on iPhone and iPad simulators
• Accessibility has been taken into account.

• Pull request is based on the develop branch

• Pull request contains a changelog file in ./changelog.d
• You've made a self review of your PR
• Pull request includes screenshots or videos of UI changes
• Pull request includes a sign off

[pixlwave]

Looks good to me, just a few minor requests. Not sure what's up with CI haven't seen those errors before and they seem unrelated to this PR. Have re-run them to see 🤞

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 12.33%. Comparing base (c89637d) to head (09af055).

Files	Patch %	Lines
Riot/Modules/Analytics/Analytics.swift	0.00%	12 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #7768      +/-   ##
===========================================
- Coverage    12.34%   12.33%   -0.01%     
===========================================
  Files         1650     1650              
  Lines       164090   164100      +10     
  Branches     67503    67503              
===========================================
  Hits         20249    20249              
- Misses      143153   143163      +10     
  Partials       688      688              

Flag	Coverage Δ
unittests	6.20% <0.00%> (-0.01%)	⬇️

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud