ci(build-test): don't escape json for changed-files action

Pass escape_json: false to have changed-files not escape the json
it returns since we directly use it as arguments without any parsing.

Author: ttshivers

.github/workflows/build-test.yml

@@ -29,7 +29,7 @@ jobs:
         uses: tj-actions/changed-files@v37
         with:
           json: true
-          json_raw_format: true
+          escape_json: false
 
       - name: Generate testing matrix
         uses: actions/github-script@v6