Replace result-filter with separate jq step for output processing

Co-authored-by: phlax <[email protected]>

Author: Copilot

.github/workflows/build.yml

@@ -29,11 +29,17 @@ jobs:
         input-format: yaml
         filter: |
           if .event == "pull_request" then
-            "git diff --name-only \(.base_sha)...HEAD" | bash::output
+            "git diff --name-only \(.base_sha)...HEAD"
           else
-            "git diff --name-only HEAD^1 HEAD" | bash::output
+            "git diff --name-only HEAD^1 HEAD"
           end
-        result-filter: |
+    - uses: envoyproxy/toolshed/gh-actions/[email protected]
+      id: changed-files
+      with:
+        input: ${{ steps.changed.outputs.output }}
+        input-format: raw
+        options: -Rs
+        filter: |
           rtrimstr("\n")
           | split("\n")
           | map(select(length > 0))
@@ -48,7 +54,7 @@ jobs:
       id: torun
       with:
         event: ${{ github.event_name }}
-        paths: ${{ steps.changed.outputs.output || '[]' }}
+        paths: ${{ steps.changed-files.outputs.value || '[]' }}
         config: ${{ steps.config.outputs.value }}
     - id: set-outputs
       shell: bash