Remove OTP24 from GH actions (#507)

Author: mkuratczyk

.github/workflows/erlang.yaml

@@ -11,8 +11,7 @@ jobs:
               'DIR=28', 'DIR=28 VARIANT=slim', 'DIR=28 VARIANT=alpine',
               'DIR=27', 'DIR=27 VARIANT=slim', 'DIR=27 VARIANT=alpine',
               '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=25', 'DIR=25 VARIANT=slim', 'DIR=25 VARIANT=alpine']
       fail-fast: false
     steps:
     - uses: actions/checkout@v3