chore(deps): update tj-actions/changed-files digest to 28b28f6

Author: renovate[bot]

.github/workflows/preview-release.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Find changed files
         id: changed_files
         if: github.event_name == 'pull_request'
-        uses: tj-actions/changed-files@875e6e5df8b8b00995fe6f0afd7ff1531ac1c47d
+        uses: tj-actions/changed-files@28b28f6e4e9e3d997beb9dce86cfd8cf0ce7c7f6
         with:
           files: src/**/*
           dir_names: true