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

Author: renovate[bot]

.github/workflows/spellcheck.yaml

@@ -7,6 +7,6 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-      - uses: streetsidesoftware/cspell-action@dcd03dc3e8a59ec2e360d0c62db517baa0b4bb6d # v7
+      - uses: streetsidesoftware/cspell-action@d5d910b521ad408f1e7383c24609079f5a88bdca # v8
         with:
           incremental_files_only: false