Rust

Update to v26 and add support for CAP-73, 78, 79, 80 and 82 #6396

Job	Run time
semver-checks	6m 24s
expand-test-wasms	3m 42s
build-fuzz	1m 18s
fmt	6s
cargo-deny (bans licenses sources)	37s
check-git-rev-deps	9s
docs	3m 41s
migration-docs	9s
cargo-deny (advisories)	46s
setup	4s
readme	1m 12s
publish-dry-run (ubuntu-latest, wasm32v1-none, --manifest-path Cargo.toml --exclude soroban-meta ... / publish-dry-run / publish-dry-run	1m 37s
publish-dry-run (ubuntu-latest, x86_64-unknown-linux-gnu, --feature-powerset --exclude-features d... / publish-dry-run / publish-dry-run	7m 33s
build (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	3m 40s
build (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	3m 48s
test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	7m 46s
test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	7m 38s
complete	4s
	50m 14s

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