Change dependabot interval to weekly (#50)

Author: jjimenezshaw

.github/dependabot.yml

@@ -8,7 +8,7 @@ updates:
   - package-ecosystem: "docker"
     directory: "/scripts/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
 
   # Configuration for pyproj
   - package-ecosystem: "pip"