Update docs/tutorials/google/start.pynb

[senecameeks]

Provide code snippets that demonstrate transformation to a target gateset.

This is a followup from #6342

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (9a8298d) 97.84% compared to head (c9310f7) 97.84%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #6346 +/- ## ======================================= Coverage 97.84% 97.84% ======================================= Files 1110 1110 Lines 96656 96656 ======================================= Hits 94572 94572 Misses 2084 2084 ```

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