Add serialization support for InsertionNoiseModel

[suyashdamle]

1. Add _json_dict and _from_json_dict_ magic functions to support
2. Add InsertionNoiseModel in resolver cache

Fixes #6249

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01% ⚠️

Comparison is base (cf005c2) 97.88% compared to head (f88e127) 97.88%.

❗ Current head f88e127 differs from pull request most recent head 08e8ab3. Consider uploading reports for the commit 08e8ab3 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6282      +/-   ##
==========================================
- Coverage   97.88%   97.88%   -0.01%     
==========================================
  Files        1104     1104              
  Lines       95819    95771      -48     
==========================================
- Hits        93794    93746      -48     
  Misses       2025     2025              

Files Changed	Coverage Δ
cirq-core/cirq/devices/insertion_noise_model.py	97.22% <100.00%> (+0.67%)	⬆️
...rq-core/cirq/devices/insertion_noise_model_test.py	100.00% <100.00%> (ø)
cirq-core/cirq/json_resolver_cache.py	94.00% <100.00%> (+0.12%)	⬆️

... and 3 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[vtomole]

LGTM

[CirqBot]

Automerge cancelled: Unrecognized update-branch status code (403).

[CirqBot]

Automerge cancelled: The automerge label was removed.

[vtomole]

Auto-merge is not merging 🤔