chore(deps): update adminer:5.4.0-standalone docker digest to 26a6dcd

Author: renovate[bot]

src/development/stack.yml

@@ -35,7 +35,7 @@ services:
       - traefik.http.routers.adminer_secure.rule=Host(`adminer.${STACK_DOMAIN}`)
       - traefik.http.routers.adminer_secure.tls.options=mintls13@file #DARGSTACK-REMOVE
       - traefik.http.services.adminer.loadbalancer.server.port=8080
-    image: adminer:5.4.0-standalone@sha256:a3bea217657c5fbe995695a3c582e7860491b9bab90c827f12c03436f07b7c37
+    image: adminer:5.4.0-standalone@sha256:26a6dcde9490e73cafeaa65718a88c7c6f606ddaf6c053bebda85e149b7c57bf
     volumes:
     - ../production/configurations/adminer/adminer.css:/var/www/html/adminer.css:ro
   dargstack-example: