Update markdownlint-cli to ^0.48.0 (#1993)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "@loopback/docs": "latest",
     "chalk": "^5.6.2",
     "fs-extra": "^11.3.3",
-    "markdownlint-cli": "^0.47.0",
+    "markdownlint-cli": "^0.48.0",
     "retry": "^0.13.1",
     "swagger-ui-dist": "^5.32.0",
     "xml2js": "^0.6.2"