fix: make formatNumber test resilient to ICU version differences

The de-CH locale thousands separator character varies across ICU
versions (U+2019 in ICU 77, different in ICU 78.2). Use a regex
match instead of exact codepoint comparison.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: FelixMalfait

packages/twenty-front/src/utils/format/__tests__/formatNumber.test.ts

@@ -57,9 +57,7 @@ describe('formatNumber', () => {
           format: NumberFormat.APOSTROPHE_AND_DOT,
           decimals: 2,
         }),
-      ).toEqual(
-        '1\u2019234.56', // Uses right single quotation mark (U+2019)
-      );
+      ).toMatch(/^1['\u2018\u2019\u02BC]234\.56$/);
     });
   });
   describe('with abbreviate', () => {