Bump joncloud/makensis-action from 3.4 to 3.6

Bumps [joncloud/makensis-action](https://github.com/joncloud/makensis-action) from 3.4 to 3.6.
- [Release notes](https://github.com/joncloud/makensis-action/releases)
- [Commits](https://github.com/joncloud/makensis-action/compare/v3.4...v3.6)

---
updated-dependencies:
- dependency-name: joncloud/makensis-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/windows-installer.yml

@@ -47,7 +47,7 @@ jobs:
       run: git clone https://github.com/ether/etherpad_nsis.git
 
     - name: Create installer
-      uses: joncloud/makensis-action@v3.4
+      uses: joncloud/makensis-action@v3.6
       with:
         script-file: 'etherpad_nsis/etherpad.nsi'