Bump h2 from 0.3.13 to 0.3.17 in /rust (#31)

Bumps [h2](https://github.com/hyperium/h2) from 0.3.13 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/v0.3.13...v0.3.17)

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

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rust/Cargo.lock

@@ -494,9 +494,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.13"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37a82c6d637fc9515a4694bbf1cb2457b79d81ce52b3108bdeea58b07dd34a57"
+checksum = "66b91535aa35fea1523ad1b86cb6b53c28e0ae566ba4a460f4457e936cad7c6f"
 dependencies = [
  "bytes",
  "fnv",