chore(deps): update determinatesystems/update-flake-lock action to v27

Author: renovate[bot]

.github/workflows/update-flake.yml

@@ -24,7 +24,7 @@ jobs:
 
       - name: Update flake.lock
         id: update
-        uses: DeterminateSystems/update-flake-lock@v25
+        uses: DeterminateSystems/update-flake-lock@v27
         with:
           pr-title: 'nix: update flake.lock'