Fix indentation for ignore section in dependabot.yml

Author: bieniu

.github/dependabot.yml

@@ -16,7 +16,7 @@ updates:
           - "ruff"
           - "syrupy"
           - "ty"
-         ignore:
+        ignore:
           - dependency-name: "aiohttp"
           - dependency-name: "dacite"
           - dependency-name: "yarl"