Update module github.com/elastic/go-ucfg to v0.8.4 (#5037)

NOTICE.txt

@@ -96,11 +96,11 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 --------------------------------------------------------------------------------
 Module  : github.com/elastic/go-ucfg
-Version : v0.8.3
-Time    : 2020-02-20T11:45:39Z
+Version : v0.8.4
+Time    : 2021-11-10T15:38:47Z
 Licence : Apache-2.0
 
-Contents of probable licence file $GOMODCACHE/github.com/elastic/go-ucfg@v0.8.3/LICENSE:
+Contents of probable licence file $GOMODCACHE/github.com/elastic/go-ucfg@v0.8.4/LICENSE:
 
                                  Apache License
                            Version 2.0, January 2004

docs/reference/dependencies.asciidoc

@@ -22,7 +22,7 @@ This page lists the third-party dependencies used to build {n}.
 | link:https://github.com/Masterminds/sprig[$$github.com/Masterminds/sprig/v3$$] | v3.2.2 | MIT
 | link:https://github.com/blang/semver[$$github.com/blang/semver/v4$$] | v4.0.0 | MIT
 | link:https://github.com/davecgh/go-spew[$$github.com/davecgh/go-spew$$] | v1.1.1 | ISC
-| link:https://github.com/elastic/go-ucfg[$$github.com/elastic/go-ucfg$$] | v0.8.3 | Apache-2.0
+| link:https://github.com/elastic/go-ucfg[$$github.com/elastic/go-ucfg$$] | v0.8.4 | Apache-2.0
 | link:https://github.com/fsnotify/fsnotify[$$github.com/fsnotify/fsnotify$$] | v1.5.1 | BSD-3-Clause
 | link:https://github.com/ghodss/yaml[$$github.com/ghodss/yaml$$] | v1.0.0 | MIT
 | link:https://github.com/go-logr/logr[$$github.com/go-logr/logr$$] | v0.4.0 | Apache-2.0

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/bmizerany/perks v0.0.0-20141205001514-d9a9656a3a4b // indirect
 	github.com/davecgh/go-spew v1.1.1
 	github.com/dgryski/go-gk v0.0.0-20140819190930-201884a44051 // indirect
-	github.com/elastic/go-ucfg v0.8.3
+	github.com/elastic/go-ucfg v0.8.4
 	github.com/elazarl/goproxy v0.0.0-20190711103511-473e67f1d7d2 // indirect
 	github.com/fsnotify/fsnotify v1.5.1
 	github.com/ghodss/yaml v1.0.0

go.sum

@@ -142,8 +142,8 @@ github.com/elastic/go-licenser v0.3.1 h1:RmRukU/JUmts+rpexAw0Fvt2ly7VVu6mw8z4HrE
 github.com/elastic/go-licenser v0.3.1/go.mod h1:D8eNQk70FOCVBl3smCGQt/lv7meBeQno2eI1S5apiHQ=
 github.com/elastic/go-sysinfo v1.1.1 h1:ZVlaLDyhVkDfjwPGU55CQRCRolNpc7P0BbyhhQZQmMI=
 github.com/elastic/go-sysinfo v1.1.1/go.mod h1:i1ZYdU10oLNfRzq4vq62BEwD2fH8KaWh6eh0ikPT9F0=
-github.com/elastic/go-ucfg v0.8.3 h1:leywnFjzr2QneZZWhE6uWd+QN/UpP0sdJRHYyuFvkeo=
-github.com/elastic/go-ucfg v0.8.3/go.mod h1:iaiY0NBIYeasNgycLyTvhJftQlQEUO2hpF+FX0JKxzo=
+github.com/elastic/go-ucfg v0.8.4 h1:OAHTnubzXKsYYYWVzl8psLcS5mCbNKjXxtMY41itthk=
+github.com/elastic/go-ucfg v0.8.4/go.mod h1:4E8mPOLSUV9hQ7sgLEJ4bvt0KhMuDJa8joDT2QGAEKA=
 github.com/elastic/go-windows v1.0.0 h1:qLURgZFkkrYyTTkvYpsZIgf83AUsdIHfvlJaqaZ7aSY=
 github.com/elastic/go-windows v1.0.0/go.mod h1:TsU0Nrp7/y3+VwE82FoZF8gC/XFg/Elz6CcloAxnPgU=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
@@ -1130,6 +1130,7 @@ gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/hjson/hjson-go.v3 v3.0.1/go.mod h1:X6zrTSVeImfwfZLfgQdInl9mWjqPqgH90jom9nym/lw=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=