build(deps): bump actions/stale from 7 to 8

Bumps [actions/stale](https://github.com/actions/stale) from 7 to 8.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](actions/stale@v7...v8)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/close-inactive-issues.yml

@@ -10,7 +10,7 @@ jobs:
     permissions:
       issues: write
     steps:
-      - uses: actions/stale@v7
+      - uses: actions/stale@v8
         with:
           operations-per-run: 1000
           days-before-issue-stale: 28
@@ -31,7 +31,7 @@ jobs:
     permissions:
       issues: write
     steps:
-      - uses: actions/stale@v7
+      - uses: actions/stale@v8
         with:
           operations-per-run: 1000
           days-before-issue-stale: 14
@@ -53,7 +53,7 @@ jobs:
     permissions:
       pull-requests: write
     steps:
-      - uses: actions/stale@v7
+      - uses: actions/stale@v8
         with:
           operations-per-run: 1000
           days-before-issue-stale: -1 # ignore issues (overwrite default days-before-stale)