Fix serviceAccountName in v1 Examples

[JeromeJu]

Changes

This commit fixes the serviceAccountName in v1 examples which has been previously covered because it is set as default.

/kind misc

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• [n/a] Has Docs if any changes are user facing, including updates to minimum requirements e.g. Kubernetes version bumps
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Release Notes

NONE

[vdemeester]

/lgtm

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