chore: update speakeasy sponsor graphic

[chailandau]

Changes

What does this PR change? Link to any related issue(s).

We (Speakeasy) have updated our sponsorship graphic.

How to Review

How can a reviewer review your changes? What should be kept in mind for this review?

Checklist

• Unit tests updated
• docs/ updated (if necessary)
• pnpm run update:examples run (only applicable for openapi-typescript)

[netlify]

👷 Deploy request for openapi-ts pending review.

Visit the deploys page to approve it

Name	Link
🔨 Latest commit	693c101

[changeset-bot]

⚠️ No Changeset found

Latest commit: 693c101

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[drwpow]

Thanks! PRs like this are always welcome at any time 🙂