bump backend deps (#9713)

* bump backend deps

* lower xmlsec to fix build

* add permament pin

* lower allauth as there are api changes

* unify dependabot config

.github/dependabot.yml

@@ -23,19 +23,6 @@ updates:
     directories:
     - /docs
     - /contrib/dev_reqs
-    schedule:
-      interval: weekly
-      day: friday
-    groups:
-      dependencies:
-        patterns:
-          - "*" # Include all dependencies
-    assignees:
-      - "matmair"
-    versioning-strategy: increase
-
-  - package-ecosystem: pip
-    directories:
     - /contrib/container
     - /src/backend
     schedule: