Use larger step size in ADAM in polyalgorithm

[Vaibhavdixit02]

Using very small stepsize doesn't make sense since the point is to more effectively explore the parameter space

[codecov[bot]]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (a7ab9f1) 0.00% compared to head (a0b19d5) 8.27%.

Files	Patch %	Lines
...onPolyalgorithms/src/OptimizationPolyalgorithms.jl	0.00%	6 Missing :warning:

Additional details and impacted files

@@            Coverage Diff            @@
##           master    #628      +/-   ##
=========================================
+ Coverage    0.00%   8.27%   +8.27%     
=========================================
  Files          12      40      +28     
  Lines        1141    2707    +1566     
=========================================
+ Hits            0     224     +224     
- Misses       1141    2483    +1342     

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