Update dependabot.yml (#390)

Author: fhlavac

.github/dependabot.yml

@@ -12,7 +12,7 @@ updates:
     allow:
       - dependency-type: "direct"
     ignore:
-      - dependency-type: "direct"
+      - dependency-name: "*"
         update-types:
           - "version-update:semver-major"
     open-pull-requests-limit: 10
@@ -33,7 +33,7 @@ updates:
     allow:
       - dependency-type: "direct"
     ignore:
-      - dependency-type: "direct"
+      - dependency-name: "*"
         update-types:
           - "version-update:semver-major"
     open-pull-requests-limit: 10