build: add increase versioning strategy for dependabot (#2596)

Co-authored-by: Daniel Bate <djbate23@gmail.com>
Co-authored-by: Peter Smith <peter@blueoceancomputing.co.uk>
Co-authored-by: Anderson Arboleya <anderson@arboleya.me>

.github/dependabot.yml

@@ -11,3 +11,4 @@ updates:
     commit-message:
       prefix: "build(deps):"
       prefix-development: "build(deps-dev):"
+    versioning-strategy: "increase"