Perform yarn upgrade, upgrade webpack

The yarn upgrade gets rid of a known vulnerability in
webpack < 5.94.0

Since this repo has not yet adopted nodejs 20, pinned
rimraf dependency to a version that works with node 18.

Signed-off-by: Marc Dumais <marc.dumais@ericsson.com>

Author: marcdumais-work

timeline-chart/package.json

@@ -31,7 +31,7 @@
     "enzyme-adapter-react-16": "^1.15.6",
     "jest": "^27.4.3",
     "jest-canvas-mock": "^2.3.1",
-    "rimraf": "latest",
+    "rimraf": "^5.0.0",
     "ts-jest": "^29.0.0"
   },
   "homepage": "https://github.com/eclipse-cdt-cloud/timeline-chart",