Rename DEPENDABOT.yml to dependabot.yml

Author: jbrooksuk

.github/DEPENDABOT.yml .github/dependabot.yml

@@ -26,4 +26,4 @@ updates:
           - "patch"
     allow:
       - dependency-type: direct
-    versioning-strategy: increase-if-necessary
+    versioning-strategy: increase-if-necessary