rust_toolchain update to 1.92.0

[antklein]

Update to rust toolchain 1.92.0
Pending PR for mu_plus to meet new clippy requirements. microsoft/mu_plus#804

Testing:

• Validated rust toolchain 1.92.0 does not break common cargo make scenarios for the following repositories.
  • microsoft/mu_plus
  • microsoft/mu_rust_helpers
  • microsoft/mu_rust_hid
  • microsoft/mu_rust_pi

Testing steps:

1. Update the rust-toolchain.toml to toolchain version 1.92.0
2. cargo update
3. cargo make build
4. cargo make test
5. cargo make clippy
6. cargo make fmt

Any errors or build failures will be addressed in the corresponding repository before this PR is completed.