Update api-management-api-import-restrictions.md

[anjalidivitha]

Added a clarification under URL template requirements stating that the full API URL must be less than 128 characters long. This update aligns with existing backend constraints and helps users avoid import failures due to overly long URLs.

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[v-dirichards]

@dlepow

Can you review the proposed changes?

Important: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
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[v-dirichards]

I sent an email to the content owner today.

@MicrosoftDocs/public-repo-pr-review-team

[v-dirichards]

@dlepow

Can you review this old PR and determine whether it needs to be closed or merged?

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[v-dirichards]

I sent a Teams message to the content owner today.

@MicrosoftDocs/public-repo-pr-review-team

[ttorble]

I sent email to the content owner today.

@MicrosoftDocs/public-repo-pr-review-team