Bump erlef/setup-beam from 1.16.0 to 1.18.1

Bumps [erlef/setup-beam](https://github.com/erlef/setup-beam) from 1.16.0 to 1.18.1.
- [Release notes](https://github.com/erlef/setup-beam/releases)
- [Commits](erlef/setup-beam@61e01a4...b9c58b0)

---
updated-dependencies:
- dependency-name: erlef/setup-beam
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Elixir
-      uses: erlef/setup-beam@61e01a43a562a89bfc54c7f9a378ff67b03e4a21
+      uses: erlef/setup-beam@b9c58b0450cd832ccdb3c17cc156a47065d2114f
       with:
         elixir-version: '1.17.2'
         otp-version: '27'