minor #1533 [ChartJs] Remove <3.9 boundary in devDependencies (everth…

…armeling)

This PR was merged into the 2.x branch.

Discussion
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[ChartJs] Remove <3.9 boundary in devDependencies

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Issues        | Follow up on #1518 (more info in #1433)
| License       | MIT

Commits
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d2836a9 [ChartJs] Remove <3.9 boundary and fix testsuite

src/Chartjs/assets/package.json

@@ -26,7 +26,7 @@
     "devDependencies": {
         "@hotwired/stimulus": "^3.0.0",
         "@types/chart.js": "^2.9.34",
-        "chart.js": "^3.4.1 <3.9 || ^4.0",
+        "chart.js": "^3.4.1 || ^4.0",
         "resize-observer-polyfill": "^1.5.1",
         "vitest-canvas-mock": "^0.3.3"
     }