assert_equal is imported top level

[astralcai]

Context
assert_equal basically asserts qml.equal but tells you why something isn't equal when it fails.

Changes

• Make qml.ops.functions.equal.assert_equal accessible as qml.assert_equal
• Replaces use of assert qml.equal() with qml.assert_equal()

[sc-66069]

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.67%. Comparing base (ab8b6d5) to head (40be5fa).
Report is 245 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5858      +/-   ##
==========================================
- Coverage   99.68%   99.67%   -0.01%     
==========================================
  Files         421      421              
  Lines       40499    40203     -296     
==========================================
- Hits        40370    40073     -297     
- Misses        129      130       +1     

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[dwierichs]

Tried to find a problem, did not succeed...
Thanks for this @astralcai 💯

[albi3ro]

👍