Upgrade to gradle 7.6

[jack-berg]

No description provided.

[codecov]

Codecov Report

Base: 91.05% // Head: 91.07% // Increases project coverage by +0.02% 🎉

Coverage data is based on head (fece202) compared to base (5e74487).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #5099      +/-   ##
============================================
+ Coverage     91.05%   91.07%   +0.02%     
- Complexity     4889     4890       +1     
============================================
  Files           553      553              
  Lines         14467    14467              
  Branches       1388     1388              
============================================
+ Hits          13173    13176       +3     
+ Misses          896      895       -1     
+ Partials        398      396       -2     

Impacted Files	Coverage Δ
...metry/sdk/metrics/export/PeriodicMetricReader.java	90.00% <0.00%> (+2.85%)	⬆️
...ava/io/opentelemetry/sdk/internal/RateLimiter.java	100.00% <0.00%> (+5.88%)	⬆️

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