Update CI Erlang version

Author: lpil

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
         with:
-          otp-version: "26.0"
+          otp-version: "27.0"
           gleam-version: "1.4.0"
           rebar3-version: "3"
           # elixir-version: "1.14.2"