Replace 23.03 with 23.09. (#81)

Author: rlubke

.github/workflows/validate.yml

@@ -20,15 +20,15 @@ jobs:
         poetry-version: ["1.5.0"]
         os: [ubuntu-latest]
         coherenceVersion:
-          - 23.03.1
+          - 23.09
           - 22.06.5
         base-image:
           - gcr.io/distroless/java17-debian11
         profile:
           - ",-jakarta,javax"
           - ",jakarta,-javax"
         exclude:
-          - coherenceVersion: 23.03.1
+          - coherenceVersion: 23.09
             profile: ",-jakarta,javax"
           - coherenceVersion: 22.06.5
             profile: ",jakarta,-javax"