breaking: update tokio-tungstenite to 0.26 and update examples #5113

Job	Run time
check-docs	14s
cargo-hack	4m 31s
check	1m 44s
cargo-public-api-crates (axum)	39s
cargo-public-api-crates (axum-core)	22s
cargo-deny check (advisories)	24s
dependencies-are-sorted	18s
cargo-public-api-crates (axum-extra)	34s
Spell Check with Typos	5s
cargo-deny check (bans licenses sources)	22s
cargo-public-api-crates (axum-macros)	22s
test-docs	0s
test-msrv	0s
armv5te-unknown-linux-musleabi	0s
test-nightly	0s
test-versions	0s
wasm32-unknown-unknown	0s
	9m 35s

Provide feedback