CI: move to setup-java action

[nicoulaj]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@7a490c9). Click here to learn what that means.
The diff coverage is 74.85%.

@@            Coverage Diff            @@
##             master     #121   +/-   ##
=========================================
  Coverage          ?   77.91%           
  Complexity        ?      187           
=========================================
  Files             ?       27           
  Lines             ?      661           
  Branches          ?       77           
=========================================
  Hits              ?      515           
  Misses            ?      113           
  Partials          ?       33           

Impacted Files	Coverage Δ
...net/nicoulaj/maven/plugins/checksum/Constants.java	66.66% <ø> (ø)
.../plugins/checksum/digest/AbstractFileDigester.java	100.00% <ø> (ø)
...ven/plugins/checksum/digest/CRC32FileDigester.java	73.33% <ø> (ø)
...ven/plugins/checksum/digest/DigesterException.java	100.00% <ø> (ø)
...plugins/checksum/execution/ExecutionException.java	100.00% <ø> (ø)
...ugins/checksum/execution/FailOnErrorExecution.java	66.66% <ø> (ø)
...plugins/checksum/execution/NeverFailExecution.java	58.13% <ø> (ø)
...xecution/target/ExecutionTargetCloseException.java	0.00% <0.00%> (ø)
...ins/checksum/digest/MessageDigestFileDigester.java	89.47% <33.33%> (ø)
...ksum/execution/target/ShasumSummaryFileTarget.java	75.55% <54.54%> (ø)
... and 14 more

---

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 7a490c9...7d3393b. Read the comment docs.