Updated link to Value Framework v1.1

Why is this change being made?

New information - This change is being made to ensure that links to the newest CoM "Core Content" is represented in the Learning path. The link being replaced was for the v 1.0 Value Framework. It has been replaced with a handbook link that points to the core content vs. a direct docs link which is subject to go out of date.

Author Checklist

• Provided a concise title for the MR
• Added a description to this MR explaining the reasons for the proposed change, per say-why-not-just-what
• Assign this change to the correct DRI
  • If the change relates to any part of the project other than updates to content and/or data files (e.g. team.yml) please make sure to ping @gl-static-site-editor in a comment for a review and merge.
  • If the DRI for the page/s being updated isn't immediate clear, then assign it to your manager.
  • If your manager does not have merge rights, please ask someone to merge it AFTER it has been approved by your manager in #mr-buddies

For help with failing pipelines reach out in #mr-buddies in Slack