[BEAM-11943] Fix wrong Klio logo being displayed

[aleda145]

The logo for Klio was pointing to the Scio logo on the start page. This PR changes it to the correct Klio path. The Klio logo is already in the repository, so it's a simple path change.

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ValidatesRunner compliance status (on master branch)

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---					---
Java
Python	---					---
XLang						---

Examples testing status on various runners

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---	---	---	---	---	---	---
Java	---		---	---	---	---	---
Python	---	---	---	---	---	---	---
XLang	---	---	---	---	---	---	---

Post-Commit SDK/Transform Integration Tests Status (on master branch)

Go	Java	Python

Pre-Commit Tests Status (on master branch)

---	Java	Python	Go	Website	Whitespace	Typescript
Non-portable
Portable	---			---	---	---

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GitHub Actions Tests Status (on master branch)

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[aleda145]

Reviewer: @TheNeuralBit

Adding you since I saw you merged the PR that introduced the Klio text 😄

See: #13596

[TheNeuralBit]

Thank you!