Bump cygwin/cygwin-install-action

Bumps [cygwin/cygwin-install-action](https://github.com/cygwin/cygwin-install-action) from ce2abe96e4838293b04761112eb85546a1159926 to a0ef6efb597704ae419d1641ac1cd515d4ebba6e.
- [Release notes](https://github.com/cygwin/cygwin-install-action/releases)
- [Commits](cygwin/cygwin-install-action@ce2abe9...a0ef6ef)

---
updated-dependencies:
- dependency-name: cygwin/cygwin-install-action
  dependency-version: a0ef6efb597704ae419d1641ac1cd515d4ebba6e
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/workflows/run.yml

@@ -22,7 +22,7 @@ jobs:
 
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: cygwin/cygwin-install-action@ce2abe96e4838293b04761112eb85546a1159926 # master
+      - uses: cygwin/cygwin-install-action@a0ef6efb597704ae419d1641ac1cd515d4ebba6e # master
 
       - name: Install Subversion (SVN) on Windows
         run: |