Bump the development-dependencies group with 5 updates (#487)

Bumps the development-dependencies group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js) | `9.14.0` | `9.16.0` |
| [eslint](https://github.com/eslint/eslint) | `9.14.0` | `9.16.0` |
| [hugo-bin](https://github.com/fenneclab/hugo-bin) | `0.133.5` | `0.136.3` |
| [markdownlint-cli2](https://github.com/DavidAnson/markdownlint-cli2) | `0.14.0` | `0.15.0` |
| [postcss](https://github.com/postcss/postcss) | `8.4.47` | `8.4.49` |


Updates `@eslint/js` from 9.14.0 to 9.16.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/commits/v9.16.0/packages/js)

Updates `eslint` from 9.14.0 to 9.16.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v9.14.0...v9.16.0)

Updates `hugo-bin` from 0.133.5 to 0.136.3
- [Release notes](https://github.com/fenneclab/hugo-bin/releases)
- [Commits](fenneclab/hugo-bin@v0.133.5...v0.136.3)

Updates `markdownlint-cli2` from 0.14.0 to 0.15.0
- [Changelog](https://github.com/DavidAnson/markdownlint-cli2/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint-cli2@v0.14.0...v0.15.0)

Updates `postcss` from 8.4.47 to 8.4.49
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.49)

---
updated-dependencies:
- dependency-name: "@eslint/js"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: hugo-bin
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: markdownlint-cli2
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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