Update for OR-3.4 - rebar3 -> 3.21

Author: martinsumner

.github/workflows/erlang.yml

@@ -3,10 +3,10 @@ name: Erlang CI
 on:
   push:
     branches:
-      - openriak-3.2
+      - openriak-3.4
   pull_request:
     branches:
-      - openriak-3.2
+      - openriak-3.4
 
 jobs:
 

README.md

@@ -1,6 +1,6 @@
 # Cuttlefish
 
-![Cuttlefish OpenRiak Status](https://github.com/OpenRiak/cuttlefish/actions/workflows/erlang.yml/badge.svg?branch=openriak-3.2)
+![Cuttlefish OpenRiak Status](https://github.com/OpenRiak/cuttlefish/actions/workflows/erlang.yml/badge.svg?branch=openriak-3.4)
 
 Cuttlefish is a library for Erlang applications that wish to walk the
 fine line between Erlang `app.config`s and a sysctl-like syntax.

rebar.config

@@ -4,7 +4,7 @@
 
 {erl_opts, [warnings_as_errors, debug_info, warn_untyped_record]}.
 
-{deps, [{getopt, {git, "https://github.com/OpenRiak/getopt.git", {branch, "openriak-3.2"}}}]}.
+{deps, [{getopt, {git, "https://github.com/OpenRiak/getopt.git", {branch, "openriak-3.4"}}}]}.
 
 {escript_emu_args, "%%! -escript main cuttlefish_escript +S 1 +A 0\n"}.
 {escript_incl_apps, [getopt, cuttlefish]}.