fix(deps): update module github.com/google/yamlfmt to v0.20.0 (#226)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/alecthomas/chroma/v2 v2.20.0
 	github.com/charmbracelet/glamour v0.10.0
 	github.com/client9/csstool v0.2.2
-	github.com/google/yamlfmt v0.17.2
+	github.com/google/yamlfmt v0.20.0
 	github.com/mattn/go-sixel v0.0.5
 	github.com/spf13/cobra v1.10.1
 	github.com/stretchr/testify v1.11.1

go.sum

@@ -38,8 +38,8 @@ github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZ
 github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/yamlfmt v0.17.2 h1:TkXxhmj7dnpmOnlWGOXog92Gs6MWcTZqnf3kuyp8yFQ=
-github.com/google/yamlfmt v0.17.2/go.mod h1:gs0UEklJOYkUJ+OOCG0hg9n+DzucKDPlJElTUasVNK8=
+github.com/google/yamlfmt v0.20.0 h1:EfMuMFEZGnXPn2NY+KgJTH9sNs6P+am/Of6IwE2K6P8=
+github.com/google/yamlfmt v0.20.0/go.mod h1:gs0UEklJOYkUJ+OOCG0hg9n+DzucKDPlJElTUasVNK8=
 github.com/gorilla/css v1.0.1 h1:ntNaBIghp6JmvWnxbZKANoLyuXTPZ4cAMlo6RyhlbO8=
 github.com/gorilla/css v1.0.1/go.mod h1:BvnYkspnSzMmwRK+b8/xgNPLiIuNZr6vbZBTPQ2A3b0=
 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=