Bump @github/relative-time-element to v4.4.8 (#34413)

Tested, it works as before.

Changelog:
https://github.com/github/relative-time-element/releases/tag/v4.4.8

Signed-off-by: Yarden Shoham <git@yardenshoham.com>

package.json

@@ -9,7 +9,7 @@
     "@citation-js/plugin-csl": "0.7.18",
     "@citation-js/plugin-software-formats": "0.6.1",
     "@github/markdown-toolbar-element": "2.2.3",
-    "@github/relative-time-element": "4.4.7",
+    "@github/relative-time-element": "4.4.8",
     "@github/text-expander-element": "2.9.1",
     "@mcaptcha/vanilla-glue": "0.1.0-alpha-3",
     "@primer/octicons": "19.15.1",