deps: bump @primer/octicons-react from 17.12.0 to 19.8.0 (#751)

Bumps [@primer/octicons-react](https://github.com/primer/octicons) from 17.12.0 to 19.8.0.
- [Release notes](https://github.com/primer/octicons/releases)
- [Changelog](https://github.com/primer/octicons/blob/main/CHANGELOG.md)
- [Commits](primer/octicons@v17.12.0...v19.8.0)

---
updated-dependencies:
- dependency-name: "@primer/octicons-react"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@mdx-js/mdx": "^1.6.22",
     "@mdx-js/react": "^1.6.22",
     "@primer/components": "^23.0.0",
-    "@primer/octicons-react": "^17.12.0",
+    "@primer/octicons-react": "^19.8.0",
     "@primer/react": "^35.31.0",
     "@styled-system/theme-get": "^5.1.2",
     "@testing-library/react": "^9.5.0",