Infra: Run dependabot daily for gradle, npm and docker

Dependencies like Spring are very prone to CVEs and we should not delay receiving and merging fixes when CVEs are found.

Author: yeikel

.github/dependabot.yml

@@ -4,7 +4,7 @@ updates:
 - package-ecosystem: gradle
   directory: "/"
   schedule:
-    interval: weekly
+    interval: daily
     time: "10:00"
     timezone: Europe/London
   open-pull-requests-limit: 10
@@ -41,7 +41,7 @@ updates:
 - package-ecosystem: docker
   directory: "/api"
   schedule:
-    interval: weekly
+    interval: daily
     time: "10:00"
     timezone: Europe/London
   open-pull-requests-limit: 10
@@ -55,7 +55,7 @@ updates:
 - package-ecosystem: npm
   directory: "/frontend"
   schedule:
-    interval: weekly
+    interval: daily
     time: "10:00"
     timezone: Europe/London
   open-pull-requests-limit: 10