Fix bignumber.js dependency failure (#34)

### Description

Inaccurate in clearlydefined:
https://clearlydefined.io/definitions/npm/npmjs/-/bignumber.js/9.3.1

Tried to open an issue there to fix it, but it keeps failing so gave up.
License is clearly just MIT

Slack thread here:
https://hex-tech-hq.slack.com/archives/C031PKY8CAZ/p1769205901050439

### Testing

Author: dunnkevin

.github/workflows/dependency-review.yml

@@ -77,6 +77,7 @@ jobs:
           #       (https://github.com/clearlydefined/curated-data/pull/30203)
           # npm/canvas: Temporary addition due to ClearlyDefined error
           #             (https://github.com/clearlydefined/curated-data/pull/32066)
+          # npm/bignumber.js: ClearlyDefined error showing inaccurate license
           allow-dependencies-licenses: >-
             pkg:npm/%2540lancedb/lancedb,
             pkg:npm/%2540lancedb/lancedb-darwin-arm64,
@@ -99,6 +100,7 @@ jobs:
             pkg:npm/nested-obj,
             pkg:pypi/charset-normalizer,
             pkg:maven/com.google.errorprone/error_prone_annotations,
-            pkg:npm/canvas
+            pkg:npm/canvas,
+            pkg:npm/bignumber.js
 
           comment-summary-in-pr: on-failure