Bump the cargo group across 2 directories with 2 updates

Bumps the cargo group with 2 updates in the /mcp-client-rust directory: [rand](https://github.com/rust-random/rand) and [rustls-webpki](https://github.com/rustls/webpki).
Bumps the cargo group with 1 update in the /weather-server-rust directory: [rustls-webpki](https://github.com/rustls/webpki).


Updates `rand` from 0.9.2 to 0.9.4
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/0.9.4/CHANGELOG.md)
- [Commits](https://github.com/rust-random/rand/compare/rand_core-0.9.2...0.9.4)

Updates `rustls-webpki` from 0.103.10 to 0.103.13
- [Release notes](https://github.com/rustls/webpki/releases)
- [Commits](https://github.com/rustls/webpki/compare/v/0.103.10...v/0.103.13)

Updates `rustls-webpki` from 0.103.10 to 0.103.13
- [Release notes](https://github.com/rustls/webpki/releases)
- [Commits](https://github.com/rustls/webpki/compare/v/0.103.10...v/0.103.13)

---
updated-dependencies:
- dependency-name: rand
  dependency-version: 0.9.4
  dependency-type: indirect
  dependency-group: cargo
- dependency-name: rustls-webpki
  dependency-version: 0.103.13
  dependency-type: indirect
  dependency-group: cargo
- dependency-name: rustls-webpki
  dependency-version: 0.103.13
  dependency-type: indirect
  dependency-group: cargo
...

Signed-off-by: dependabot[bot] <support@github.com>

weather-server-rust/Cargo.lock

@@ -1146,9 +1146,9 @@ dependencies = [
 
 [[package]]
 name = "rustls-webpki"
-version = "0.103.10"
+version = "0.103.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df33b2b81ac578cabaf06b89b0631153a3f416b0a886e8a7a1707fb51abbd1ef"
+checksum = "61c429a8649f110dddef65e2a5ad240f747e85f7758a6bccc7e5777bd33f756e"
 dependencies = [
  "ring",
  "rustls-pki-types",