chore: bump tj-actions/changed-files from 47.0.5 to 47.0.6 (#2479)

Reviewed and approved by @phipag. Review performed by Claude (Opus 4.7) via /dependabot-review. Patch bump; SHA verified; no functional changes.

Author: dependabot[bot]

.github/workflows/check-build.yml

@@ -101,7 +101,7 @@ jobs:
           fetch-depth: 0
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@22103cc46bda19c2b464ffe86db46df6922fd323 # v47.0.5
+        uses: tj-actions/changed-files@9426d40962ed5378910ee2e21d5f8c6fcbf2dd96 # v47.0.6
         with:
           files: |
             powertools-*/**