Add values to add extra InitContainers to agent and lapi

[erwanval]

Small improvement, to be able to configure custom InitContainers for both LAPI and Agent pods.

[github-actions[bot]]

@erwanval: There are no 'kind' label on this PR. You need a 'kind' label to generate the release automatically.

• /kind feature
• /kind enhancement
• /kind fix
• /kind chore
• /kind dependencies

Details

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[github-actions[bot]]

@erwanval: There are no area labels on this PR. You can add as many areas as you see fit.

• /area agent
• /area local-api
• /area cscli
• /area security
• /area configuration

Details

I am a bot created to help the [crowdsecurity](https://github.com/crowdsecurity) developers manage community feedback and contributions. You can check out my [manifest file](https://github.com/crowdsecurity/helm-charts/blob/main/.github/governance.yaml) to understand my behavior and what I can do. If you want to use this for your project, you can check out the forked project [rr404/oss-governance-bot](https://github.com/rr404/oss-governance-bot) repository.

[erwanval]

/kind enhancement /area configuration