chore(deps): bump futures from 0.3.19 to 0.3.21 (#11213)

Bumps [futures](https://github.com/rust-lang/futures-rs) from 0.3.19 to 0.3.21.
- [Release notes](https://github.com/rust-lang/futures-rs/releases)
- [Changelog](https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md)
- [Commits](rust-lang/futures-rs@0.3.19...0.3.21)

---
updated-dependencies:
- dependency-name: futures
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -117,7 +117,7 @@ vector-vrl-functions = { path = "lib/vector-vrl-functions" }
 # Tokio / Futures
 async-stream = "0.3.2"
 async-trait = "0.1.52"
-futures = { version = "0.3.19", default-features = false, features = ["compat", "io-compat"], package = "futures" }
+futures = { version = "0.3.21", default-features = false, features = ["compat", "io-compat"], package = "futures" }
 tokio = { version = "1.16.1", default-features = false, features = ["full"] }
 tokio-openssl = { version = "0.6.3", default-features = false }
 tokio-stream = { version = "0.1.8", default-features = false, features = ["net", "sync", "time"] }

Cargo.toml

@@ -14,7 +14,7 @@ crossbeam-utils = { version = "0.8.7", default-features = false }
 db-key = { version = "0.0.5", default-features = false }
 dyn-clone = { version = "1.0.4", default-features = false }
 fslock = { version = "0.2.1", default-features = false, features = ["std"] }
-futures = { version = "0.3.19", default-features = false, features = ["std"] }
+futures = { version = "0.3.21", default-features = false, features = ["std"] }
 leveldb = { version = "0.8.6", default-features = false  }
 memmap2 = { version = "0.5.2", default-features = false }
 metrics = { version = "0.17.1", default-features = false, features = ["std"] }

lib/vector-buffers/Cargo.toml

@@ -17,7 +17,7 @@ dyn-clone = { version = "1.0.4", default-features = false }
 enrichment = { path = "../enrichment", optional = true }
 enumflags2 = { version = "0.7.3", default-features = false }
 float_eq = { version = "0.7", default-features = false }
-futures = { version = "0.3.19", default-features = false, features = ["std"] }
+futures = { version = "0.3.21", default-features = false, features = ["std"] }
 futures-util = { version = "0.3.21", default-features = false, features = ["std"] }
 getset = { version = "0.1.2", default-features = false }
 http = { version = "0.2.6", default-features = false }