Adopt rtichoke_viz v0.18.0

- Upgrade vendored rtichoke_viz bundle from v0.14.0 to v0.18.0
- Update VENDORED_FROM provenance, JS, CSS, and schemas
- Update vendor assertion tests and CI workflow verification to reflect v0.18.0 release asset and sha256 checksum

Co-authored-by: uriahf <11351434+uriahf@users.noreply.github.com>

Author: google-labs-jules[bot]

.github/workflows/python-package.yml

@@ -52,15 +52,15 @@ jobs:
           prefix = "rtichoke/_vendor/rtichoke_viz/"
           required = {
               f"{prefix}VENDORED_FROM",
-              f"{prefix}rtichoke-viz-0.14.0.tar.gz",
+              f"{prefix}rtichoke-viz-0.18.0.tar.gz",
               f"{prefix}rtichoke-viz.js",
               f"{prefix}rtichoke-viz.css",
               f"{prefix}rtichoke-viz.schema.json",
               f"{prefix}rtichoke-viz-v2.schema.json",
               f"{prefix}rtichoke-viz-report.schema.json",
           }
           assert required <= names
-          assert f"{prefix}rtichoke-viz-0.10.0.tar.gz" not in names
+          assert f"{prefix}rtichoke-viz-0.14.0.tar.gz" not in names
           PY
 
       - name: Run tests