ci: pin merged central Ruff workflow

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: DevOpsDerek

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     name: Lint (ruff)
     permissions:
       contents: read
-    uses: DevOpsDerek/workflows/.github/workflows/lint-python-ruff.yml@c4ac3847334c8944a48619ae4f3f0d622f4a074b
+    uses: DevOpsDerek/workflows/.github/workflows/lint-python-ruff.yml@35ec3f531b5eb0f0f42f232f23e1dc5735e36c35
     with:
       python-version: "3.12.8"
       ruff-version: "0.11.13"