Adding `__rshift__` to `CircuitComponent`s

[SamFerracin]

Context: Adds >> to circuit components. A few other minimal changes to make it work

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 93.42105% with 5 lines in your changes are missing coverage. Please review.

:exclamation: No coverage uploaded for pull request base (prototype-tn@70d51b4). Click here to learn what that means.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## prototype-tn #353 +/- ## =============================================== Coverage ? 85.27% =============================================== Files ? 78 Lines ? 5563 Branches ? 0 =============================================== Hits ? 4744 Misses ? 819 Partials ? 0 ``` | [Files](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI) | Coverage Δ | | |---|---|---| | [mrmustard/lab\_dev/states/base.py](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI#diff-bXJtdXN0YXJkL2xhYl9kZXYvc3RhdGVzL2Jhc2UucHk=) | `100.00% <100.00%> (ø)` | | | [mrmustard/lab\_dev/transformations/base.py](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI#diff-bXJtdXN0YXJkL2xhYl9kZXYvdHJhbnNmb3JtYXRpb25zL2Jhc2UucHk=) | `100.00% <100.00%> (ø)` | | | [...mustard/lab\_dev/transformations/transformations.py](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI#diff-bXJtdXN0YXJkL2xhYl9kZXYvdHJhbnNmb3JtYXRpb25zL3RyYW5zZm9ybWF0aW9ucy5weQ==) | `100.00% <ø> (ø)` | | | [mrmustard/physics/triples.py](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI#diff-bXJtdXN0YXJkL3BoeXNpY3MvdHJpcGxlcy5weQ==) | `100.00% <ø> (ø)` | | | [mrmustard/lab\_dev/circuit\_components.py](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI#diff-bXJtdXN0YXJkL2xhYl9kZXYvY2lyY3VpdF9jb21wb25lbnRzLnB5) | `92.46% <73.68%> (ø)` | | ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI). Last update [70d51b4...96d8290](https://app.codecov.io/gh/XanaduAI/MrMustard/pull/353?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XanaduAI).