Merge pull request #92 from paulo-ferraz-oliveira/feature/ci-otp-24

Tweak CI versions (add 24.0, move some .0 to .3)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3071015..225fda8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@
       image: erlang:${{matrix.otp_vsn}}
     strategy:
       matrix:
-        otp_vsn: [18.3, 19.3, 20.0, 21.0, 22.0, 23.0]
+        otp_vsn: ['18.3', '19.3', '20.3', '21.3', '22.3', '23.3', '24.0']
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v2
diff --git a/rebar.config b/rebar.config
index 5feb77d..c24a015 100644
--- a/rebar.config
+++ b/rebar.config
@@ -3,3 +3,6 @@
         {erl_opts, [nowarn_export_all, {d, 'TEST'}]}
     ]}
 ]}.
+{edoc_opts, [
+    {preprocess, true}
+]}.