Update dependency mikefarah/yq to v4.26.1

This MR contains the following updates:

Package	Type	Update	Change
mikefarah/yq	ironbank-github	minor	v4.25.3 -> v4.26.1

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Release Notes

mikefarah/yq

v4.26.1

Compare Source

• Switched to new expression parser (#​1264)
  • Don't clobber anchor when adding nodes (#​1269)
  • New error operator for custom validation (#​1259)
  • Added support for --wrapScalar=false in properties encoder (#​1241) Thanks @​dcarbone
  • Fix error on multiple assign (#​1257) Thanks @​care0717
  • Bumped dependency versions

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