- Updated the `proptest-derive` dependency in Cargo.toml to the latest version (`0.4.0`)

- Updated the `metrics` package to `0.22.0` from `0.21.1` and updated API.
- Modified `MetricsSink` initialization to utilize `set_global_recorder` for setting the metrics recorder.
- Tweaked the manner of incrementing metrics in tests to use `.increment(n)` for counters and `.set(value)`
- Expanded `MetricsRecorder` struct to now include `Metadata` within its `register_counter`, `register_gauge`, and `register_histogram` methods.

- Removed base64 dependency from the workspace
- Eliminated base64 from the members list in Cargo.toml

- Upgraded the Rust toolchain version to `1.75` for enhanced performance and updated functionalities
- Initialized a new file `_typos.toml` to handle and ignore specified typos like "[Aa]bomonation" to improve code readability and quality.

Closes lurk-lab#1072