[MOB-10370] Bump Instabug Android SDK to v11.5.1

[DavidMina96]

Description of the change

• Bumps Instabug Android SDK to v11.5.1
• Adds ProGuard rule to keep Instabug classes (for reflection) as they were removed from the native side

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Issue links go here

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests

Code review

• This pull request has a descriptive title and information useful to a reviewer
• Issue from task tracker has a link to this pull request

[codecov]

Codecov Report

Merging #789 (8413953) into master (792dc64) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #789   +/-   ##
=======================================
  Coverage   89.98%   89.98%           
=======================================
  Files          23       23           
  Lines         599      599           
  Branches       93       93           
=======================================
  Hits          539      539           
  Misses         52       52           
  Partials        8        8           

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