Add prod support to cirq device

[astralcai]

Add support for Prod observable.

Shortcut Stories:
[sc-60542]

[Alex-Preciado]

Relevant Shortcut Stories: [sc-60542]

[Qottmann]

can you retrigger and if it still gets stuck get someone with the power to overwrite it? Next one in line for demo blockers 🙃

[Qottmann]

@Alex-Preciado could we overwrite the codecov requirement and merge this? This is currently blocking the work on fixing demos

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.43%. Comparing base (ed12d7f) to head (c5c220c).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #183   +/-   ##
=======================================
  Coverage   99.43%   99.43%           
=======================================
  Files           8        8           
  Lines         352      357    +5     
=======================================
+ Hits          350      355    +5     
  Misses          2        2           

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[Alex-Preciado]

Hey @Qottmann, we noticed that the Codecov Token was missing in this repository. I've added it now to this repository's secrets. I'm merging @astralcai 's changes now with a green CI status. You should now be unblocked 😎

[Qottmann]

Thanks so much 🙌