add missing ClusterRole to liqo-webhook

[EladDolev]

Description

When running more than one replicas of the liqo-webhook nothing is working without those permissions here
They may be too much, and there may be other permissions missing in other places, I only know I managed to get things working by adding those

[adamjensenbot]

Hi @EladDolev. Thanks for your PR!

I am @adamjensenbot.
You can interact with me issuing a slash command in the first line of a comment.
Currently, I understand the following commands:

• /rebase: Rebase this PR onto the master branch (You can add the option test=true to launch the tests
  when the rebase operation is completed)
• /merge: Merge this PR into the master branch
• /build Build Liqo components
• /test Launch the E2E and Unit tests
• /hold, /unhold Add/remove the hold label to prevent merging with /merge

Make sure this PR appears in the liqo changelog, adding one of the following labels:

• kind/breaking: 💥 Breaking Change
• kind/feature: 🚀 New Feature
• kind/bug: 🐛 Bug Fix
• kind/cleanup: 🧹 Code Refactoring
• kind/docs: 📝 Documentation

[aleoli]

Hi @EladDolev!

Thanks for your pr. This file is auto-generated; I'm adding a commit to your pr to change it in the correct position because it's easier to show you than explain what you have to do 😅

Feel free to squash this commit into your

[EladDolev]

Thank you Alessandro
I'm happy to skip the squash and merge as-is

[aleoli]

/rebase test=true

[aleoli]

Ok, perfect. Can you please rebase your pr and resolve the conflict? I don't have permission to force push on your branch

[EladDolev]

PR is ready @aleoli, thank you !

[fra98]

/test