ci: delete otp 23 from ci matrix

.ci/docker-compose-file/docker-compose.yaml

@@ -1,26 +1,6 @@
 version: '3.9'
 
 services:
-  erlang23:
-    container_name: erlang23
-    image: ghcr.io/emqx/emqx-builder/5.0-14:1.13.3-23.3.4.9-4-ubuntu20.04
-    env_file:
-      - conf.env
-    environment:
-      GITHUB_ACTIONS: ${GITHUB_ACTIONS}
-      GITHUB_TOKEN: ${GITHUB_TOKEN}
-      GITHUB_RUN_ID: ${GITHUB_RUN_ID}
-      GITHUB_SHA: ${GITHUB_SHA}
-      GITHUB_RUN_NUMBER: ${GITHUB_RUN_NUMBER}
-      GITHUB_EVENT_NAME: ${GITHUB_EVENT_NAME}
-      GITHUB_REF: ${GITHUB_REF}
-    networks:
-      - emqx_bridge
-    volumes:
-      - ../..:/emqx
-    working_dir: /emqx
-    tty: true
-
   erlang24:
     container_name: erlang24
     image: ghcr.io/emqx/emqx-builder/5.0-14:1.13.3-24.2.1-1-ubuntu20.04

.github/workflows/run_emqx_app_tests.yaml

@@ -12,7 +12,6 @@ jobs:
     strategy:
       matrix:
         otp:
-          - 23.3.4.9-4
           - 24.2.1-1
         # no need to use more than 1 version of Elixir, since tests
         # run using only Erlang code.  This is needed just to specify

.github/workflows/run_test_cases.yaml

@@ -82,7 +82,6 @@ jobs:
           matrix:
             app_name: ${{ fromJson(needs.find_apps.outputs.docker_ct_apps) }}
             otp_release:
-              - "erlang23"
               - "erlang24"
 
         runs-on: aws-amd64