feat: update version of frontend-lib-learning-assistant to 2.23.1 (#1807)

This commit installs version 2.23.1 of @edx/frontend-lib-learning-assistant.

This release fixes a bug where the Xpert Learning Assistant was only available to learners in the audit and credit modes.

See https://github.com/edx/frontend-lib-learning-assistant/releases/tag/v2.23.1.

package.json

@@ -36,7 +36,7 @@
     "@edx/browserslist-config": "1.5.0",
     "@edx/frontend-component-footer": "^14.6.0",
     "@edx/frontend-component-header": "^8.0.0",
-    "@edx/frontend-lib-learning-assistant": "^2.23.0",
+    "@edx/frontend-lib-learning-assistant": "^2.23.1",
     "@edx/frontend-lib-special-exams": "^4.0.0",
     "@edx/frontend-platform": "^8.4.0",
     "@edx/openedx-atlas": "^0.7.0",