chore(deps): update streetsidesoftware/cspell-action action to v8 (#109)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/spellcheck.yaml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v5
         name: 🧾 Checkout
 
-      - uses: streetsidesoftware/cspell-action@v7
+      - uses: streetsidesoftware/cspell-action@v8
         name: 📝 Check Spelling
         with:
           config: './cspell.json'