Upgrade backend deps and base images (#644)

Signed-off-by: Sergio Castaño Arteaga <[email protected]>

Author: tegioz

.github/dependabot.yml

@@ -43,7 +43,7 @@ updates:
       interval: "weekly"
     ignore:
       - dependency-name: "node"
-        versions: ["19-alpine3.19", "20-alpine3.19", "21-alpine3.19", "22-alpine3.19"]
+        versions: ["19-alpine3.19", "20-alpine3.19", "21-alpine3.19", "22-alpine3.19", "22-alpine3.20"]
 
   - package-ecosystem: "docker"
     directory: "/clotributor-registrar"