ci: downgrade Erlang version to v27 in main jobs

joeljuca · joeljuca · commit 496e2506d732 · 2025-06-06T20:15:34.000+01:00
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -4,7 +4,7 @@ on:
   push:
 
 env:
-  OTP_VERSION: "28"
+  OTP_VERSION: "27"
   ELIXIR_VERSION: "1.18"
 
 jobs:
