Bump rust-toolchain from 1.97 to 1.98 (#48)

Bumps [rust-toolchain](https://github.com/rust-lang/rust) from 1.97 to 1.98.
- [Release notes](https://github.com/rust-lang/rust/releases)
- [Changelog](https://github.com/rust-lang/rust/blob/main/RELEASES.md)
- [Commits](rust-lang/rust@1.97.0...1.98.0)

---
updated-dependencies:
- dependency-name: rust-toolchain
  dependency-version: '1.98'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.97"
+channel = "1.98"
 targets = [ "wasm32-unknown-unknown" ]