Fix: staking miscalculation + test coverage + devnet redeploy

[jaybuidl]

PR-Codex overview

This PR focuses on adding functionality to delay stake changes in the SortitionModule contract.

Detailed summary

• Added delayedStake struct to store delayed stake changes
• Added executeDelayedStakes function to execute delayed stake changes
• Updated tests for stake increase and decrease with delayed stakes

The following files were skipped due to too many changes: contracts/test/arbitration/staking.ts

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[qlty-cloud-legacy]

Code Climate has analyzed commit 9c1ef81 and detected 9 issues on this pull request.

Here's the issue category breakdown:

Category	Count
Complexity	1
Duplication	8

View more on Code Climate.

[sonarqubecloud]

Quality Gate failed

Failed conditions

0.0% Coverage on New Code (required ≥ 80%)

See analysis details on SonarCloud