ci: bump k8s legacy to v1.14.10 (EOL 2019-12-11)

Signed-off-by: Marc Nuri <[email protected]>

Author: manusa

.github/workflows/e2e-tests.yml

@@ -107,7 +107,7 @@ jobs:
         uses: manusa/[email protected]
         with:
           minikube version: v1.31.2
-          kubernetes version: v1.12.10
+          kubernetes version: v1.14.10
           github token: ${{ secrets.GITHUB_TOKEN }}
           start args: '--force'
       - name: Cache .m2 registry