ci: add bench ci for pr

[iGxnon]

Signed-off-by: iGxnon igxnon@gmail.com

Example: https://github.com/iGxnon/Xline/pull/2

Please briefly answer these questions:

• what problem are you trying to solve? (or if there's no problem, what's the motivation for this change?)

  Add benchmark CI for each PR which labeled run-benchmark

• what changes does this pull request make?

  As above

• are there any non-obvious implications of these changes? (does it break compatibility with previous versions, etc)

  No

[codecov[bot]]

Codecov Report

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

Project coverage is 75.50%. Comparing base (e35b35a) to head (dad3c0d). Report is 95 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #654 +/- ## ========================================== - Coverage 75.55% 75.50% -0.05% ========================================== Files 180 186 +6 Lines 26938 27488 +550 Branches 26938 27488 +550 ========================================== + Hits 20353 20756 +403 - Misses 5366 5459 +93 - Partials 1219 1273 +54 ```

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[mergify[bot]]

@iGxnon Your PR is in conflict and cannot be merged.

[mergify[bot]]

@iGxnon You've modified the workflows. Please don't forget to update the .mergify.yml.