Bump h2 from 0.3.11 to 0.3.17 (#7074)

Bumps [h2](https://github.com/hyperium/h2) from 0.3.11 to 0.3.17.
- [Release notes](https://github.com/hyperium/h2/releases)
- [Changelog](https://github.com/hyperium/h2/blob/master/CHANGELOG.md)
- [Commits](https://github.com/hyperium/h2/compare/v0.3.11...v0.3.17)

---
updated-dependencies:
- dependency-name: h2
  dependency-type: indirect
...

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

polkadot/Cargo.lock

@@ -3032,9 +3032,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.11"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9f1f717ddc7b2ba36df7e871fd88db79326551d3d6f1fc406fbfd28b582ff8e"
+checksum = "66b91535aa35fea1523ad1b86cb6b53c28e0ae566ba4a460f4457e936cad7c6f"
 dependencies = [
  "bytes",
  "fnv",
@@ -3045,7 +3045,7 @@ dependencies = [
  "indexmap",
  "slab",
  "tokio",
- "tokio-util 0.6.9",
+ "tokio-util",
  "tracing",
 ]
 
@@ -3566,7 +3566,7 @@ dependencies = [
  "thiserror",
  "tokio",
  "tokio-rustls",
- "tokio-util 0.7.1",
+ "tokio-util",
  "tracing",
  "webpki-roots",
 ]
@@ -3629,7 +3629,7 @@ dependencies = [
  "soketto",
  "tokio",
  "tokio-stream",
- "tokio-util 0.7.1",
+ "tokio-util",
  "tower",
  "tracing",
 ]
@@ -4260,7 +4260,7 @@ dependencies = [
  "thiserror",
  "tinytemplate",
  "tokio",
- "tokio-util 0.7.1",
+ "tokio-util",
  "webrtc",
 ]
 
@@ -12397,7 +12397,7 @@ dependencies = [
  "futures-core",
  "pin-project-lite 0.2.9",
  "tokio",
- "tokio-util 0.7.1",
+ "tokio-util",
 ]
 
 [[package]]
@@ -12412,20 +12412,6 @@ dependencies = [
  "tungstenite",
 ]
 
-[[package]]
-name = "tokio-util"
-version = "0.6.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e99e1983e5d376cd8eb4b66604d2e99e79f5bd988c3055891dcd8c9e2604cc0"
-dependencies = [
- "bytes",
- "futures-core",
- "futures-sink",
- "log",
- "pin-project-lite 0.2.9",
- "tokio",
-]
-
 [[package]]
 name = "tokio-util"
 version = "0.7.1"
@@ -12438,6 +12424,7 @@ dependencies = [
  "futures-sink",
  "pin-project-lite 0.2.9",
  "tokio",
+ "tracing",
 ]
 
 [[package]]