Fix indentation of the sa annotations

[Kidswiss]

Summary

• The indentation for the sa annotations was wrong.

Fixes issue found in: #876

Checklist

For Helm Chart changes

• [x] Categorize the PR by setting a good title and adding one of the labels: bug, enhancement, documentation, change, breaking, dependency as they show up in the changelog
• [x] PR contains the label area:chart
• [x] PR contains the chart label, e.g. chart:k8up
• [x] Variables are documented in the values.yaml using the format required by Helm-Docs.
• [x] Chart Version bumped if immediate release after merging is planned
• [x] I have run make chart-docs
• [x] Link this PR to related code release or other issues.

[Kidswiss]

@mkotsalainen can you test the branch from this PR? If that works for you I'll merge it.

[mkotsalainen]

This looks good! Thank you!

➜  k8up git:(fix/helm_indentation) helm template --debug --dry-run foo charts/k8up/ --set serviceAccount.annotations.qwer=asdf | grep asdf -B 10 -A10
install.go:200: [debug] Original chart version: ""
install.go:217: [debug] CHART PATH: /tmp/k8up/charts/k8up

apiVersion: v1
kind: ServiceAccount
metadata:
  name: foo-k8up
  labels:
    helm.sh/chart: k8up-4.4.1
    app.kubernetes.io/name: k8up
    app.kubernetes.io/instance: foo
    app.kubernetes.io/managed-by: Helm
  annotations:
    qwer: asdf

[mkotsalainen]

Tried installing also and it works.

➜  k8up git:(fix/helm_indentation) helm install -n foo foo charts/k8up/ --set serviceAccount.annotations.qwer=asdf
NAME: foo
LAST DEPLOYED: Mon Aug  7 09:31:25 2023
NAMESPACE: foo
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
#####################
! Attention !
#####################

This Helm chart does not include CRDs.
Please make sure you have installed or upgraded the necessary CRDs as instructed in the Chart README.

#####################
➜  k8up git:(fix/helm_indentation) k describe sa foo-k8up -n foo
Name:                foo-k8up
Namespace:           foo
Labels:              app.kubernetes.io/instance=foo
                     app.kubernetes.io/managed-by=Helm
                     app.kubernetes.io/name=k8up
                     helm.sh/chart=k8up-4.4.1
Annotations:         meta.helm.sh/release-name: foo
                     meta.helm.sh/release-namespace: foo
                     qwer: asdf
Image pull secrets:  <none>
Mountable secrets:   <none>
Tokens:              <none>
Events:              <none>

[Kidswiss]

Great! Merging and release.