[release/v1.6] bump proxy and ratelimit versions

[rudrakhp]

Proxy version
Ratelimit version

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.37%. Comparing base (27bf1cc) to head (b34e329).
⚠️ Report is 2 commits behind head on release/v1.6.

Additional details and impacted files

@@               Coverage Diff                @@
##           release/v1.6    #7976      +/-   ##
================================================
+ Coverage         72.33%   72.37%   +0.03%     
================================================
  Files               231      231              
  Lines             34185    34185              
================================================
+ Hits              24729    24741      +12     
+ Misses             7674     7665       -9     
+ Partials           1782     1779       -3     

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[zhaohuabing]

LGTM thanks!