Fix Credo Readability (strict)

- Max line length, implicit try, alias order, zero-arity defs
- String sigils, long comments split; redundant blank lines fixed

test/membership/member_cycle_calculations_test.exs

@@ -4,9 +4,9 @@ defmodule Mv.Membership.MemberCycleCalculationsTest do
   """
   use Mv.DataCase, async: true
 
-  alias Mv.MembershipFees.MembershipFeeType
-  alias Mv.MembershipFees.MembershipFeeCycle
   alias Mv.MembershipFees.CalendarCycles
+  alias Mv.MembershipFees.MembershipFeeCycle
+  alias Mv.MembershipFees.MembershipFeeType
 
   setup do
     system_actor = Mv.Helpers.SystemActor.get_system_actor()