Update Helm release kubevela/vela-core to v1.10.8 (#1718)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

examples/deploy_kubevela.yaml

@@ -11,7 +11,7 @@ spec:
   - repositoryURL: https://kubevela.github.io/charts
     repositoryName: kubevela
     chartName: kubevela/vela-core
-    chartVersion: 1.10.7
+    chartVersion: 1.10.8
     releaseName: kubevela-core-latest
     releaseNamespace: vela-system
     helmChartAction: Install