Require analyzer 6.5.0 and stop using deprecated nodes.

[scheglov]

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[munificent]

Thanks!

[munificent]

You'll probably also want to update .github/workflows/test-package.yml to change 3.0.0 to 3.4.0 since we can no longer test on 3.0.0.

[scheglov]

There was two of them, I updated both.