feat(destinations): expose destination guid

[nzur-newrelic]

Expose destination entity GUID through the client

[pranav-new-relic]

Looks good to me @nzur-newrelic - verified all guid fields added to the create, update mutations and the get query map to the datatypes using the GUID type added to the types. Shall wait for the tests to run 👍

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 38.90%. Comparing base (7f26352) to head (5697bb4).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1096   +/-   ##
=======================================
  Coverage   38.90%   38.90%           
=======================================
  Files          86       86           
  Lines        5590     5590           
=======================================
  Hits         2175     2175           
  Misses       3249     3249           
  Partials      166      166           

Flag	Coverage Δ
unit	38.90% <ø> (ø)

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[pranav-new-relic]

All checks passed 👍 @nzur-newrelic let me know if this is good to merge (once you take one final look at these changes too).