fix(specs): update time range number types

Author: Fluf22

specs/search/paths/rules/common/schemas.yml

@@ -295,9 +295,11 @@ timeRange:
   properties:
     from:
       type: integer
+      format: int64
       description: When the rule should start to be active, in Unix epoch time.
     until:
       type: integer
+      format: int64
       description: When the rule should stop to be active, in Unix epoch time.
   required:
     - from