fix(deps): update rust crate futures to v0.3.31

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

src/runtime-rs/crates/agent/Cargo.toml

@@ -6,7 +6,7 @@ edition = { workspace = true }
 license = { workspace = true }
 
 [dev-dependencies]
-futures = "0.1.27"
+futures = "0.3.0"
 
 [dependencies]
 anyhow = { workspace = true }