Fix/sherlock finding nr 4

[baroooo]

Description

This PR uses history storage var instead of memory variable to fix Sherlock contest finding #4 It also introduces a lower limit of 1e18 for lock creation as extra protection against dust attacks

Other changes

• Updated tests to scale amounts to prevent reverting due to new require condition
• Recalculated and updated the expected lock outcomes in tests since we have less precision loss with scaled amounts(used wolframalpha).

Tested

• Created new tests with 50k locks and PoCs from sherlock submissions to verify new implementation would perform reasonable with large number of locks under various scenerios

Related issues

• Fixes #407

[openzeppelin-code[bot]]

Fix/sherlock finding nr 4

Generated at commit: c832b3ba43482a4aa351a28c1c8f665167b26553

🚨 Report Summary

	Severity Level	Results
Contracts	Critical High Medium Low Note Total	3 3 0 13 38 57
Dependencies	Critical High Medium Low Note Total	0 0 0 0 0 0

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For more details view the full report in OpenZeppelin Code Inspector

[baroooo]

LGTM 💯 how did you come up with the gas base lines in GovernanceIntegration.gas.t.sol?

rounded up the gas cost of the same operations with single locks