fix: bump exams ver to fix exam timer (openedx#1331)

Author: ilee2u

package-lock.json

@@ -32,7 +32,7 @@
     "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
     "@edx/frontend-component-footer": "12.7.1",
     "@edx/frontend-component-header": "4.11.1",
-    "@edx/frontend-lib-special-exams": "2.29.1",
+    "@edx/frontend-lib-special-exams": "2.29.3",
     "@edx/frontend-lib-learning-assistant": "^1.24.1",
     "@edx/frontend-platform": "5.6.1",
     "@edx/openedx-atlas": "^0.6.0",