feat: dont issue rewards to allos less than one epoch old

[tmigone]

Changes:

• Added an additional condition to qualify for indexing rewards, the allocation must be at least 1 epoch old.
• Bit of magic to ensure contract is less than 24kB
  • Removed isStaleAllocation() functionality (to be added back after transition period)
  • Removed isActiveAllocation() requirement from IRewardsIssuer

[openzeppelin-code]

feat: dont issue rewards to allos less than one epoch old

Generated at commit: f6923b9beeb5e766867217e3a4922189b5089f4c

🚨 Report Summary

	Severity Level	Results
Contracts	Critical High Medium Low Note Total	2 4 0 15 39 60
Dependencies	Critical High Medium Low Note Total	0 0 0 0 0 0

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.55%. Comparing base (51976ec) to head (f6923b9).
Report is 4 commits behind head on horizon.

Additional details and impacted files

@@             Coverage Diff             @@
##           horizon    #1103      +/-   ##
===========================================
- Coverage    92.65%   92.55%   -0.11%     
===========================================
  Files           47       47              
  Lines         2437     2430       -7     
  Branches       440      438       -2     
===========================================
- Hits          2258     2249       -9     
- Misses         179      181       +2     

Flag	Coverage Δ
unittests	92.55% <100.00%> (-0.11%)	⬇️

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