[Rev 02] RFR: 6640: Run spotless and tests as part of the workflow

[Marcus Hirt]

The pull request has been updated with additional changes.

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Added commits:
 - 0e59ae91: Optimizations and windows bugfix

Changes:
  - all: https://git.openjdk.java.net/jmc/pull/10/files
  - new: https://git.openjdk.java.net/jmc/pull/10/files/a11c6c31..0e59ae91

Webrevs:
 - full: https://webrevs.openjdk.java.net/jmc/10/webrev.02
 - incr: https://webrevs.openjdk.java.net/jmc/10/webrev.01-02

  Issue: https://bugs.openjdk.java.net/browse/JMC-6640
  Stats: 14 lines in 4 files changed: 5 ins; 2 del; 7 mod
  Patch: https://git.openjdk.java.net/jmc/pull/10.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/10/head:pull/10

PR: https://git.openjdk.java.net/jmc/pull/10