Extend time slice for DriverTasks in higher level queue and double default EXECUTION_TIME_SLICE

[lancelly]

This PR does the following two things:

1. Allocates longer time slices for higher-level tasks in the MultiLevelPriorityQueue.
2. Changes the default time slice length to 200ms.

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (5daba02) 49.13% compared to head (eca44ce) 49.14%.

Files	Patch %	Lines
...eryengine/execution/schedule/DriverTaskThread.java	92.30%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #11562   +/-   ##
=========================================
  Coverage     49.13%   49.14%           
- Complexity    24818    24819    +1     
=========================================
  Files          2788     2788           
  Lines        174533   174544   +11     
  Branches      20897    20897           
=========================================
+ Hits          85762    85780   +18     
+ Misses        88771    88764    -7     

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[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

0.0% Coverage
0.0% Duplication

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