git: openjdk/jdk: 8299330: Minor improvements in MSYS2 Workflow handling

[Julian Waters]

Changeset: cf00d09c
Author:    Julian Waters <jwaters at openjdk.org>
Date:      2023-01-12 14:32:14 +0000
URL:       https://git.openjdk.org/jdk/commit/cf00d09c8c37ee301e1c6657df45777647a834e9

8299330: Minor improvements in MSYS2 Workflow handling

Reviewed-by: clanger, ihse

! .github/actions/get-msys2/action.yml
! .github/workflows/build-windows.yml