fix(deps): update rust crate axum to v0.7.7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
axum	dependencies	patch	0.7.5 -> 0.7.7

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Release Notes

tokio-rs/axum (axum)

v0.7.7: axum v0.7.7

Compare Source

• change: Remove manual tables of content from the documentation, since
  rustdoc now generates tables of content in the sidebar (#​2921)

v0.7.6: axum - v0.7.6

Compare Source

• change: Avoid cloning Arc during deserialization of Path
• added: axum::serve::Serve::tcp_nodelay and axum::serve::WithGracefulShutdown::tcp_nodelay (#​2653)
• added: Router::has_routes function (#​2790)
• change: Update tokio-tungstenite to 0.23 (#​2841)
• added: Serve::local_addr and WithGracefulShutdown::local_addr functions (#​2881)

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