feat(helm-chart)!: Update Helm release app-template to 3.1.0

[trux-bot[bot]]

This PR contains the following updates:

Package	Update	Change
app-template	major	2.5.0 -> 3.1.0
app-template	major	2.0.3 -> 3.1.0
app-template	major	1.5.1 -> 3.1.0

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