fix spelling

Author: nichoth

.github/dependabot.yml

@@ -6,7 +6,7 @@ updates:
     directory: "/"
     # Check the npm registry for updates every day (weekdays)
     schedule:
-      interval: "monthyl"
+      interval: "monthly"
     ignore:
       - dependency-name: "eslint"
         update-types: ["version-update:semver-major"]
@@ -18,4 +18,4 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "monthyl"
+      interval: "monthly"