tbump: allow beta releases

dmerejkowsky · dmerejkowsky · commit 56ccc0543faf · 2018-12-14T17:17:02.000+01:00
diff --git a/tbump.toml b/tbump.toml
@@ -10,6 +10,7 @@ regex = '''
   (?P<minor>\d+)
   \.
   (?P<patch>\d+)
+  (?P<beta>b\d+)?
   '''
 
 [git]
