Bump sigs.k8s.io/yaml from 1.3.0 to 1.4.0

[dependabot[bot]]

Bumps sigs.k8s.io/yaml from 1.3.0 to 1.4.0.

Release notes

Sourced from sigs.k8s.io/yaml's releases.

v1.4.0

• Adds a goyaml.v2 subpackage containing a fork of gopkg.in/yaml.v2 at v2.4.0
• Adds a goyaml.v3 subpackage containing a fork of gopkg.in/yaml.v3 at v3.0.1
• Adds an Encoder#CompactSeqIndent() encoder option to sigs.k8.io/goyaml.v3 to allow opting into indentation compatible with gopkg.in/yaml.v2

Commits

• c3772b5 Merge pull request #97 from liggitt/owners
• 604031b Update owners
• eead467 Merge pull request #76 from natasha41575/go-yaml-fork
• f2c0229 add test demonstrating consistency between yaml.v2 and yaml.v3
• 20d25fa update LICENSE, owners, and readmes
• a7b5665 exclude forked libs from golint
• b6d8b45 fix leading newline issue
• 330e1e5 make sequence style configurable
• 70ebea7 change import paths to forked yaml libs
• b96582b fork go-yaml v2 and v3
• Additional commits viewable in compare view

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