Configure dependabot to ignore non-major changes (#769)

Author: eKoopmans

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+    registries: '*'
+    ignore:
+      # update-package-lock workflow already handles minor/patch updates
+      - dependency-name: "*"
+        update-types: ["version-update:semver-minor", "version-update:semver-patch"]