Update dependency mikefarah/yq to v4.30.8

This MR contains the following updates:

Package	Type	Update	Change
mikefarah/yq	ironbank-github	patch	v4.30.6 -> v4.30.8

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Release Notes

mikefarah/yq

v4.30.8: - Snap fix

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• Log info message instead of erroring when unable to chown file in linux (e.g. snap confinement) #​1521

v4.30.7

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4.30.7:

• Fixed bug in splice operator #​1511
• Fixed value operator bug #​1515
• Fixed handling of merging null #​1501
• Ownership of file now maintained in linux (thanks @​vaguecoder) #​1473
• Bumped dependency versions

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