Adding YaoBraketExt as a weak dependency

[ruihao-li]

As discussed with @Roger-luo, this extension is to be added to Yao after Julia 1.9 release. The implementation is migrated from https://github.com/ruihao-li/YaoBlocksBraket.jl, which allows Yao users to convert their circuits to Braket circuits that can be subsequently run on AWS devices.

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: -0.04 :warning:

Comparison is base (ce88311) 88.28% compared to head (3a50d2d) 88.24%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #464      +/-   ##
==========================================
- Coverage   88.28%   88.24%   -0.04%     
==========================================
  Files          77       67      -10     
  Lines        4824     4578     -246     
==========================================
- Hits         4259     4040     -219     
+ Misses        565      538      -27     

see 10 files with indirect coverage changes

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[Roger-luo]

Thanks for the contribution! As I had a look at the code before, we just need to wait for CI to pass