chore(deps): bump, incl. vitest 4 (#1373)

## 🧰 Changes

bumps a bunch of deps, including upgrading us to vitest 4. i was seeing
some snapshot weirdness in `[email protected]` that has since been fixed.

**before**

```
Package                                 Current   Wanted   Latest  Location                                             Depended by
@biomejs/biome                            2.2.5    2.3.2    2.3.2  node_modules/@biomejs/biome                          rdme
@oclif/core                               4.5.4    4.8.0    4.8.0  node_modules/@oclif/core                             rdme
@oclif/plugin-autocomplete               3.2.35   3.2.38   3.2.38  node_modules/@oclif/plugin-autocomplete              rdme
@oclif/plugin-help                       6.2.33   6.2.34   6.2.34  node_modules/@oclif/plugin-help                      rdme
@oclif/plugin-plugins                    5.4.49   5.4.51   5.4.51  node_modules/@oclif/plugin-plugins                   rdme
@oclif/plugin-warn-if-update-available   3.1.48   3.1.51   3.1.51  node_modules/@oclif/plugin-warn-if-update-available  rdme
@readme/better-ajv-errors                 2.3.2    2.4.0    2.4.0  node_modules/@readme/better-ajv-errors               rdme
@readme/oas-examples                      7.0.2    7.0.3    7.0.3  node_modules/@readme/oas-examples                    rdme
@readme/standards                         2.2.0    2.4.0    2.4.0  node_modules/@readme/standards                       rdme
@rollup/plugin-commonjs                  28.0.6   28.0.9   28.0.9  node_modules/@rollup/plugin-commonjs                 rdme
@rollup/plugin-node-resolve              16.0.2   16.0.3   16.0.3  node_modules/@rollup/plugin-node-resolve             rdme
@rollup/plugin-replace                    6.0.2    6.0.3    6.0.3  node_modules/@rollup/plugin-replace                  rdme
@vitest/coverage-v8                       3.2.4    3.2.4    4.0.5  node_modules/@vitest/coverage-v8                     rdme
@vitest/expect                            3.2.4    3.2.4    4.0.5  node_modules/@vitest/expect                          rdme
knip                                     5.64.2   5.66.4   5.66.4  node_modules/knip                                    rdme
oas                                      28.4.0   28.5.0   28.5.0  node_modules/oas                                     rdme
oas-normalize                            15.1.0   15.2.0   15.2.0  node_modules/oas-normalize                           rdme
oclif                                   4.22.29  4.22.38  4.22.38  node_modules/oclif                                   rdme
rollup                                   4.52.4   4.52.5   4.52.5  node_modules/rollup                                  rdme
semver                                    7.7.2    7.7.3    7.7.3  node_modules/semver                                  rdme
type-fest                                 5.0.1    5.1.0    5.1.0  node_modules/type-fest                               rdme
undici                                   5.29.0   5.29.0   7.16.0  node_modules/undici                                  rdme
vitest                                    3.2.4    3.2.4    4.0.5  node_modules/vitest                                  rdme
```

**after**

```
Package  Current  Wanted  Latest  Location             Depended by
undici    5.29.0  5.29.0  7.16.0  node_modules/undici  rdme
```

Author: kanadgupta