delete 22, 23 alpine branch

Author: getong

.github/workflows/erlang.yaml

@@ -12,8 +12,8 @@ jobs:
               'DIR=26', 'DIR=26 VARIANT=slim', 'DIR=26 VARIANT=alpine',
               'DIR=25', 'DIR=25 VARIANT=slim', 'DIR=25 VARIANT=alpine',
               'DIR=24', 'DIR=24 VARIANT=slim', 'DIR=24 VARIANT=alpine',
-              'DIR=23', 'DIR=23 VARIANT=slim', 'DIR=23 VARIANT=alpine',
-              'DIR=22', 'DIR=22 VARIANT=slim', 'DIR=22 VARIANT=alpine',
+              'DIR=23', 'DIR=23 VARIANT=slim',
+              'DIR=22', 'DIR=22 VARIANT=slim',
               'DIR=21', 'DIR=21 VARIANT=slim',
               'DIR=20', 'DIR=20 VARIANT=slim']
       fail-fast: false