GHA: bump cygwin/cygwin-install-action from 4 to 5

Bumps [cygwin/cygwin-install-action](https://github.com/cygwin/cygwin-install-action) from 4 to 5.
- [Release notes](https://github.com/cygwin/cygwin-install-action/releases)
- [Commits](006ad0b094...f61179d722)

---
updated-dependencies:
- dependency-name: cygwin/cygwin-install-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Closes #15918

.github/workflows/windows.yml

@@ -57,7 +57,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           persist-credentials: false
-      - uses: cygwin/cygwin-install-action@006ad0b0946ca6d0a3ea2d4437677fa767392401 # v4
+      - uses: cygwin/cygwin-install-action@f61179d72284ceddc397ed07ddb444d82bf9e559 # v5
         with:
           platform: ${{ matrix.platform }}
           site: https://mirrors.kernel.org/sourceware/cygwin/