chore(NODE-6270): set dependabot to update package.json (#45)

.github/dependabot.yml

@@ -24,6 +24,9 @@ updates:
       # node-gyp now depends on python 3.10, we install 3.6 in our dockerfile
       - dependency-name: "node-gyp"
       - dependency-name: "prebuild"
+    versioning-strategy: increase
+    allow:
+      - dependency-type: "development"
 
     groups:
       development-dependencies: