Bump Erlang version to 28 or alter

Author: hyperimpose

.github/workflows/erlang.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     container:
-      image: erlang:26
+      image: erlang:28
 
     steps:
     - uses: actions/checkout@v3

README.org

@@ -4,7 +4,7 @@
 
 *This is a pre-release version and its API may break*
 
-An irc client library for Erlang.
+An irc client library for Erlang 28 or later.
 
 ** Main Features
 Some of the features offered are:

doc/src/example.md

@@ -4,7 +4,7 @@ OTP application.
 
 ## Requirements
 To install and use this library you need to install the following:
-- Erlang 26 or later
+- Erlang 28 or later
 - rebar3
 
 ## Setting up the rebar project