chore(deps): update dependency @glimmer/syntax to v0.94.8 (#17219)

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

package.json

@@ -34,7 +34,7 @@
     "@babel/code-frame": "7.26.2",
     "@babel/parser": "7.26.9",
     "@babel/types": "7.26.9",
-    "@glimmer/syntax": "0.94.7",
+    "@glimmer/syntax": "0.94.8",
     "@prettier/is-es5-identifier-name": "0.2.0",
     "@prettier/parse-srcset": "3.1.0",
     "@typescript-eslint/typescript-estree": "8.25.0",