Retry curandGenerateSeeds when OOM.

[maleadt]

Closes #212.

[codecov]

Codecov Report

Merging #436 into master will decrease coverage by 0.00%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master     #436      +/-   ##
==========================================
- Coverage   79.55%   79.55%   -0.01%     
==========================================
  Files         170      170              
  Lines        9157     9160       +3     
==========================================
+ Hits         7285     7287       +2     
- Misses       1872     1873       +1     

Impacted Files	Coverage Δ
lib/curand/random.jl	92.30% <75.00%> (-1.25%)	⬇️

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