Update spark-core to 2.4.8

[scala-steward]

Updates org.apache.spark:spark-core from 2.4.7 to 2.4.8.

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

If you'd like to skip this version, you can just close this PR. If you have any feedback, just mention me in the comments below.

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Ignore future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "org.apache.spark", artifactId = "spark-core" } ]

labels: library-update, semver-patch

[codecov-commenter]

Codecov Report

Merging #970 (d113ec2) into develop (11493f3) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #970      +/-   ##
===========================================
- Coverage    89.67%   89.65%   -0.03%     
===========================================
  Files          119      119              
  Lines         9871     9871              
  Branches       511      511              
===========================================
- Hits          8852     8850       -2     
- Misses        1019     1021       +2     

Impacted Files	Coverage Δ
...in/scala/com/twitter/algebird/scalacheck/Gen.scala	91.66% <0.00%> (-8.34%)	⬇️
.../main/scala/com/twitter/algebird/Applicative.scala	51.72% <0.00%> (-3.45%)	⬇️
...src/main/scala/com/twitter/algebird/Interval.scala	81.73% <0.00%> (-1.74%)	⬇️
.../scala/com/twitter/algebird/immutable/BitSet.scala	96.35% <0.00%> (-0.43%)	⬇️
.../main/scala/com/twitter/algebird/HyperLogLog.scala	90.04% <0.00%> (+0.43%)	⬆️
.../main/scala/com/twitter/algebird/BloomFilter.scala	95.13% <0.00%> (+1.32%)	⬆️
.../main/scala/com/twitter/algebird/Approximate.scala	90.32% <0.00%> (+1.61%)	⬆️

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