feat: update styling for input placeholder

[jake-bassett]

Description

Please include a summary of the change, motivation and context.

Testing

Please describe the tests that you ran to verify your changes. Please summarize what did you test and what needs to be tested e.g. deployed and tested helm chart locally.

Checklist:

• [ ] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] Any dependent changes have been merged and published in downstream modules

Documentation

Make sure that you have documented corresponding changes in this repository or hypertrace docs repo if required.

[codecov[bot]]

Codecov Report

Merging #2496 (419728e) into main (f60f067) will decrease coverage by 38.60%. The diff coverage is n/a.

@@             Coverage Diff             @@
##             main    #2496       +/-   ##
===========================================
- Coverage   83.06%   44.46%   -38.60%     
===========================================
  Files         925      925               
  Lines       20610    20610               
  Branches     3254     3254               
===========================================
- Hits        17119     9165     -7954     
- Misses       3372    10924     +7552     
- Partials      119      521      +402     

see 329 files with indirect coverage changes

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[github-actions[bot]]

Unit Test Results

       4 files     316 suites   35m 58s :stopwatch: 1 131 tests 1 131 :heavy_check_mark: 0 :zzz: 0 :x: 1 141 runs  1 141 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit 0490e534.

[github-actions[bot]]

Unit Test Results

       4 files     316 suites   36m 58s :stopwatch: 1 131 tests 1 131 :heavy_check_mark: 0 :zzz: 0 :x: 1 141 runs  1 141 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit 419728ef.

[github-actions[bot]]

Unit Test Results

       4 files     316 suites   45m 5s :stopwatch: 1 131 tests 1 131 :heavy_check_mark: 0 :zzz: 0 :x: 1 141 runs  1 141 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit 3e3d1451.