Adding an "Exceed in your Current Role" sub section

Why is this change being made?

Adding context and notes regarding needing to exceed in your current role to be considered ready for a managerial level position.

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 DRI for the page/s being updated isn’t immediately clear, then assign it to one of the people listed in the "Maintained by" section in on the page being edited.
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