Update docker.io/library/mariadb Docker tag to v12

resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf

@@ -87,8 +87,6 @@ map $host $upstream_acme_challenge_host {
     staging.docs.c3voc.de public-web-static.hosts.hamburg.ccc.de:31820;
     infra-docs.hamburg.ccc.de public-web-static.hosts.hamburg.ccc.de:31820;
     staging.infra-docs.hamburg.ccc.de public-web-static.hosts.hamburg.ccc.de:31820;
-    didays.de public-web-static.hosts.hamburg.ccc.de:31820;
-    staging.didays.de public-web-static.hosts.hamburg.ccc.de:31820;
     ueberwachungsfrei.eu public-web-static.hosts.hamburg.ccc.de:31820;
     überwachungsfrei.eu public-web-static.hosts.hamburg.ccc.de:31820;
     xn--berwachungsfrei-yvb.eu public-web-static.hosts.hamburg.ccc.de:31820;

resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf

@@ -110,8 +110,6 @@ stream {
         staging.docs.c3voc.de public-web-static.hosts.hamburg.ccc.de:8443;
         infra-docs.hamburg.ccc.de public-web-static.hosts.hamburg.ccc.de:8443;
         staging.infra-docs.hamburg.ccc.de public-web-static.hosts.hamburg.ccc.de:8443;
-        didays.de public-web-static.hosts.hamburg.ccc.de:8443;
-        staging.didays.de public-web-static.hosts.hamburg.ccc.de:8443;
         ueberwachungsfrei.eu public-web-static.hosts.hamburg.ccc.de:8443;
         überwachungsfrei.eu public-web-static.hosts.hamburg.ccc.de:8443;
         xn--berwachungsfrei-yvb.eu public-web-static.hosts.hamburg.ccc.de:8443;

resources/external/status/docker_compose/config/websites.yaml

@@ -84,14 +84,6 @@ endpoints:
       - "[CERTIFICATE_EXPIRATION] > 48h"
       - "[BODY] == pat(*DIDay*)"
 
-  - name: didays.de
-    url: "https://didays.de"
-    <<: *websites_defaults
-    conditions:
-      - "[STATUS] == 200"
-      - "[CERTIFICATE_EXPIRATION] > 48h"
-      - "[BODY] == pat(*Digitale Unabhängigkeit*)"
-
   - name: element-admin.hamburg.ccc.de
     url: "https://element-admin.hamburg.ccc.de"
     <<: *websites_defaults
@@ -167,14 +159,6 @@ endpoints:
       - "[CERTIFICATE_EXPIRATION] > 48h"
       - "[BODY] == pat(*cryptoparty-hamburg.de Staging Environment*)"
 
-  - name: staging.didays.de
-    url: "https://staging.didays.de"
-    <<: *websites_defaults
-    conditions:
-      - "[STATUS] == 200"
-      - "[CERTIFICATE_EXPIRATION] > 48h"
-      - "[BODY] == pat(*didays.de Staging Environment*)"
-
   - name: staging.hacker.tours
     url: "https://staging.hacker.tours"
     <<: *websites_staging_defaults