Update Rust crate h2 to v0.4.13

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
h2	dependencies	patch	0.4.12 → 0.4.13

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Release Notes

hyperium/h2 (h2)

v0.4.13

Compare Source

• Add support for 1xx informational responses on client and server side.
• Fix auto-releasing of padding bytes of DATA frames for flow control windows.
• Fix to stop assigning capacity to pending streams which can't use it yet.
• Fix tracing to not grab the parent for the connection span.

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