GitHub Action: Bump actions/stale from 7 to 8 (#153)

Bumps [actions/stale](https://github.com/actions/stale) from 7 to 8.

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

Author: dependabot[bot]

.github/workflows/Stale.yml

@@ -77,7 +77,7 @@ jobs:
 
     steps:
     - name: Check for Stale Items
-      uses: actions/stale@v7
+      uses: actions/stale@v8
       with:
         days-before-issue-stale: ${{ inputs.days-before-issue-stale }}
         days-before-pr-stale: ${{ inputs.days-before-pr-stale }}