Bump @actions/artifact in the npm-production group across 1 directory

Bumps the npm-production group with 1 update in the / directory: [@actions/artifact](https://github.com/actions/toolkit/tree/HEAD/packages/artifact).


Updates `@actions/artifact` from 2.1.7 to 2.1.8
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/artifact/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/artifact)

---
updated-dependencies:
- dependency-name: "@actions/artifact"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-production
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -68,7 +68,7 @@
     ]
   },
   "dependencies": {
-    "@actions/artifact": "^2.1.7",
+    "@actions/artifact": "^2.1.8",
     "@actions/cache": "^3.2.4",
     "@actions/core": "^1.10.1",
     "@actions/exec": "^1.1.1",