dependabot: Ignore (most) patch update

Signed-off-by: Stephen Finucane <[email protected]>

Author: stephenfin

.github/dependabot.yml

@@ -1,6 +1,11 @@
+---
 version: 2
 updates:
   - package-ecosystem: "pip"
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+    versioning-strategy: "increase"
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-patch"]