Bump szenius/set-timezone from 1.2 to 2.0

Bumps [szenius/set-timezone](https://github.com/szenius/set-timezone) from 1.2 to 2.0.
- [Release notes](https://github.com/szenius/set-timezone/releases)
- [Commits](https://github.com/szenius/set-timezone/compare/v1.2...v2.0)

---
updated-dependencies:
- dependency-name: szenius/set-timezone
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Set timezone to UTC
-        uses: szenius/set-timezone@v1.2
+        uses: szenius/set-timezone@v2.0
 
       - name: Install Crystal
         uses: crystal-lang/install-crystal@v1