dependabot: never update major version (#12)

Author: janedbal

.github/dependabot.yml

@@ -8,3 +8,7 @@ updates:
         allow:
             - dependency-type: development
         versioning-strategy: increase
+        ignore:
+            -
+                dependency-name: "*"
+                update-types: ["version-update:semver-major"] # never update major versions