RFR: 8284622: Update versions of some Github Actions used in JDK workflow

[Christoph Langer]

Let's update some github actions versions. No really interesting or breaking changes but we should stay current.

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Commit messages:
 - Update github actions versions

Changes: https://git.openjdk.java.net/jdk/pull/8171/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8171&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8284622
  Stats: 82 lines in 1 file changed: 0 ins; 0 del; 82 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8171.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8171/head:pull/8171

PR: https://git.openjdk.java.net/jdk/pull/8171