test(frontend): Update Vitest coverage thresholds (#12608)

The current thresholds for the Vitest coverage report have been updated
since they increased. This is an automated PR to keep the thresholds in
sync with the latest test coverage results.

Co-authored-by: gix-bot <gix-bot@users.noreply.github.com>

Author: pr-automation-bot-public[bot]

vitest.config.ts

@@ -85,8 +85,8 @@ export default defineConfig(
 				// TODO: increase the thresholds slowly up to an acceptable 90% at least
 				thresholds: {
 					autoUpdate: true,
-					statements: 79.6,
-					branches: 72.4,
+					statements: 79.7,
+					branches: 72.5,
 					functions: 76.3,
 					lines: 80.9
 				}