chore: update log4j

[aaron-steinfeld]

Description

Not known to be vulnerable in current config, but upgrading log4j due to https://nvd.nist.gov/vuln/detail/CVE-2021-45046 out of abundance of caution.

[codecov]

Codecov Report

Merging #294 (f76080b) into main (fe19f4f) will increase coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     #294      +/-   ##
============================================
+ Coverage     79.58%   79.60%   +0.01%     
- Complexity     1286     1287       +1     
============================================
  Files           116      116              
  Lines          5128     5128              
  Branches        465      465              
============================================
+ Hits           4081     4082       +1     
  Misses          836      836              
+ Partials        211      210       -1     

Flag	Coverage Δ
unit	79.60% <ø> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
...race/core/rawspansgrouper/TraceEmitPunctuator.java	75.43% <0.00%> (+0.87%)	⬆️

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[github-actions]

Unit Test Results

  75 files  ±0    75 suites  ±0   1m 2s ⏱️ -8s
393 tests ±0  393 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit e7a39ce. ± Comparison against base commit fe19f4f.