ci: disable lint.dependabot (#7445)

Signed-off-by: zirain <zirain2009@gmail.com>

Author: zirain

tools/make/lint.mk

@@ -101,4 +101,6 @@ lint.markdown:
 .PHONY: lint.dependabot
 lint: lint.dependabot
 lint.dependabot: ## Check if dependabot configuration is valid
-	@npx @bugron/validate-dependabot-yaml .github/dependabot.yml
+	@$(LOG_TARGET)
+	# TODO: re-enable this when https://json.schemastore.org/dependabot-2.0.json is back to normal.
+	@#npx @bugron/validate-dependabot-yaml .github/dependabot.yml