Bump actions/download-artifact from 4.1.7 to 4.1.8

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.7 to 4.1.8.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.1.7...v4.1.8)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/GenerateReleaseZip.yml

@@ -87,7 +87,7 @@ jobs:
       run: mkdir -p ${{ env.MOD_PATH }}
 
     - name: Download Mod Artifacts from Build Step
-      uses: actions/[email protected].7
+      uses: actions/[email protected].8
       with:
         # Note that 'name' is not specified, this will cause all artifacts from this run to be downloaded.
         merge-multiple: true # Important, this merges the different rimworld version outputs
@@ -123,7 +123,7 @@ jobs:
 
     - name: Download Mod Artifacts from Build Step
       id: download_zip
-      uses: actions/[email protected].7
+      uses: actions/[email protected].8
       with:
         name: ${{ env.MOD_NAME }}