chore(deps): update adminer:5.4.1-standalone docker digest to a20bcd3

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:5.4.1-standalone@sha256:ae1d4d7774c544d084e42887a318e6b0f47ad8c60fe1661d9278ef169c8b4eaa
+    image: adminer:5.4.1-standalone@sha256:a20bcd3732c1c4660f46b07be2731f0739d541bba15b5486a9e6050916a2d3c2
     volumes:
     - ../production/configurations/adminer/adminer.css:/var/www/html/adminer.css:ro
   dargstack-example: