Update actions/* actions

[madhead]

Let's try to update the versions and see if the issue is resolved.

[codecov-commenter]

Codecov Report

Merging #340 (6270313) into master (c9426ba) will decrease coverage by 0.51%.
The diff coverage is n/a.

❗ Current head 6270313 differs from pull request most recent head cc4128e. Consider uploading reports for the commit cc4128e to get more accurate results

@@            Coverage Diff             @@
##           master     #340      +/-   ##
==========================================
- Coverage   90.17%   89.66%   -0.52%     
==========================================
  Files          15       15              
  Lines         784      784              
==========================================
- Hits          707      703       -4     
- Misses         65       68       +3     
- Partials       12       13       +1     

Impacted Files	Coverage Δ
shard.go	90.49% <0.00%> (-1.53%)	⬇️

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