Update sbt to 1.4.8

[scala-steward]

Updates org.scala-sbt:sbt from 1.4.5 to 1.4.8.
GitHub Release Notes - Version Diff

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.

Configure Scala Steward for your repository with a .scala-steward.conf file.

Have a fantastic day writing Scala!

Ignore future updates

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

updates.ignore = [ { groupId = "org.scala-sbt", artifactId = "sbt" } ]

labels: library-update, semver-patch

[codecov-io]

Codecov Report

Merging #292 (0955400) into master (8e1bcc5) will decrease coverage by 0.18%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #292      +/-   ##
==========================================
- Coverage   96.48%   96.29%   -0.19%     
==========================================
  Files          25       25              
  Lines         540      540              
  Branches        9        9              
==========================================
- Hits          521      520       -1     
- Misses         19       20       +1     

Impacted Files	Coverage Δ
regex/src/main/scala/combinator.scala	92.98% <0.00%> (-1.76%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8e1bcc5...0955400. Read the comment docs.

[scala-steward]

Superseded by #293.