[jdk17u-dev] RFR: 8310259: Pin msys2/setup-msys2 github action to a specific commit

Wed Jul 12 12:08:19 UTC 2023

I backport this to work around an error of msys2

I ran into this testing the bump to jtreg 7.2.
This subsumes previous changes 8309934 and 8310183.

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Commit messages:
 - Backport 959a61fdd483c9523764b9ba0972f59ca06db0ee

Changes: https://git.openjdk.org/jdk17u-dev/pull/1573/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1573&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310259
  Stats: 4 lines in 2 files changed: 1 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1573.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1573/head:pull/1573

PR: https://git.openjdk.org/jdk17u-dev/pull/1573