Helm chart improvements

[inteon]

• remove deprecated storage.k8s.io/v1beta1
• add namespace values that make sure namespace is included when running helm template
• use dynamic $(POD_NAMESPACE) instead of static templated {{ .Release.Namespace }} value (should resolve to same value)

[irbekrm]

The PR looks good to me, except for I'd like to understand the effect of this change if a user upgrades the csi-driver-spiffe to this version and already has some csi-driver-spiffe volumes

[inteon]

The PR looks good to me, except for I'd like to understand the effect of this change if a user upgrades the csi-driver-spiffe to this version and already has some csi-driver-spiffe volumes

I removed that change, so we can easily merge this PR. The issue is now tracked here: #41

[SgtCoDFish]

/lgtm
/approve
/hold

Looks good! Nothing here to block merging, but adding a hold for my question. Feel free to unhold!

[jetstack-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: inteon, SgtCoDFish

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[inteon]

/unhold