add searchTerm to teams tool

[derek-etherton-opslevel]

Resolves #

Problem

When querying for teams, the server always fetches all teams across the account, which can take a lot of time to paginate and uses a disproportionate number of tokens.

Solution

Add a searchTerm parameter so that specific teams can be looked up, using far fewer resources.

Positive use case example (search works):

Negative use case examples (team doesn't exist, fall back to list):

Checklist

• I have run this code, and it appears to resolve the stated issue.
• This PR has no user interface changes or has already received approval from product management to change the interface.
• Make a changie entry that explains the customer facing outcome of this change.

[rocktavious]

LGTM - but i think there is a possible simplification