_content/menus.yaml: replace twitter with x

[pavel-cpp]

No description provided.

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[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

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[gopherbot]

Message from Gopher Robot:

Patch Set 1:

Congratulations on opening your first change. Thank you for your contribution!

Next steps:
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https://go.dev/doc/contribute#review for more info and tips to get your
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[gopherbot]

Message from Sean Liao:

Patch Set 2:

(1 comment)

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Please don’t reply on this GitHub thread. Visit golang.org/cl/658576.
After addressing review feedback, remember to publish your drafts!