feat(manifests): add ssh volume mounts and volume

[spoukke]

The default behavior of image updater is to use argocd credentials. If it is setup with ssh, this volume mounts and volume are needed in order for image updater to be able to commit to the repository

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #212 (c509013) into master (add387e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #212   +/-   ##
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  Coverage   66.77%   66.77%           
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  Files          20       20           
  Lines        1574     1574           
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  Hits         1051     1051           
  Misses        424      424           
  Partials       99       99           

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[jannfis]

Thanks for this PR @spoukke and sorry for the late review.

I feel this mount should be marked as optional, because there will be scenarios where this CM does not exist (e.g. user installs the image updater outside argocd namespace). Can you please change it so it's an optional mount? Thanks.

[spoukke]

Thanks for this PR @spoukke and sorry for the late review.

I feel this mount should be marked as optional, because there will be scenarios where this CM does not exist (e.g. user installs the image updater outside argocd namespace). Can you please change it so it's an optional mount? Thanks.

Hi @jannfis ! No worries. The change is done, let me know if there is anything else

[jannfis]

LGTM, thank you @spoukke !