Enable `pip` caching in CI

[SauravMaheshkar]

This PR sets the cache and cache-dependency-path argument of actions/setup-python to enable pip caching.

[codecov[bot]]

Codecov Report

Merging #1487 (7a29e43) into main (4a687c0) will increase coverage by 0.00%. The diff coverage is 100.00%.

:exclamation: Current head 7a29e43 differs from pull request most recent head 9ad4592. Consider uploading reports for the commit 9ad4592 to get more accurate results

Additional details and impacted files

[](https://codecov.io/gh/aesara-devs/aesara/pull/1487?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aesara-devs) ```diff @@ Coverage Diff @@ ## main #1487 +/- ## ======================================= Coverage 75.06% 75.06% ======================================= Files 194 194 Lines 50091 50101 +10 Branches 12096 12097 +1 ======================================= + Hits 37600 37610 +10 Misses 10170 10170 Partials 2321 2321 ``` | [Impacted Files](https://codecov.io/gh/aesara-devs/aesara/pull/1487?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aesara-devs) | Coverage Δ | | |---|---|---| | [aesara/link/jax/dispatch/random.py](https://codecov.io/gh/aesara-devs/aesara/pull/1487?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aesara-devs#diff-YWVzYXJhL2xpbmsvamF4L2Rpc3BhdGNoL3JhbmRvbS5weQ==) | `100.00% <100.00%> (ø)` | |