Bump Scio to 0.5.7

[clairemcginty]

No description provided.

[codecov-io]

Codecov Report

Merging #120 into master will decrease coverage by 0.14%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #120      +/-   ##
==========================================
- Coverage   72.56%   72.42%   -0.15%     
==========================================
  Files          29       29              
  Lines        1367     1367              
  Branches      165      165              
==========================================
- Hits          992      990       -2     
- Misses        375      377       +2

Flag	Coverage Δ
#ratatoolCli	4.56% <ø> (ø)	⬆️
#ratatoolCommon	100% <ø> (?)
#ratatoolDiffy	27.62% <ø> (ø)	⬆️
#ratatoolExamples	19.53% <ø> (ø)	⬆️
#ratatoolSampling	61.86% <ø> (-0.24%)	⬇️
#ratatoolScalacheck	82.11% <ø> (ø)	⬆️
#ratatoolShapeless	5.52% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
...la/com/spotify/ratatool/samplers/AvroSampler.scala	96.87% <0%> (-3.13%)	⬇️

---

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 8b1b586...aff928c. Read the comment docs.

[idreeskhan]

Will also need to bump the Beam version on L34 to 2.6.0. And likely the bigqueryVersion which will be a bit more annoying.