Bump gopkg.in/go-playground/validator.v8 from 8.18.1 to 8.18.2 (#593)

Bumps [gopkg.in/go-playground/validator.v8](https://github.com/go-playground/validator) from 8.18.1 to 8.18.2.
- [Release notes](https://github.com/go-playground/validator/releases)
- [Commits](go-playground/validator@v8.18.1...v8.18.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

go.mod

@@ -67,7 +67,7 @@ require (
 	golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7
 	google.golang.org/protobuf v1.25.0 // indirect
 	gopkg.in/Knetic/govaluate.v3 v3.0.0
-	gopkg.in/go-playground/validator.v8 v8.18.1
+	gopkg.in/go-playground/validator.v8 v8.18.2
 	gopkg.in/h2non/filetype.v1 v1.0.5
 	gopkg.in/inconshreveable/go-update.v0 v0.0.0-20150814200126-d8b0b1d421aa
 	gopkg.in/yaml.v2 v2.4.0

go.sum

@@ -270,6 +270,7 @@ gopkg.in/Knetic/govaluate.v3 v3.0.0/go.mod h1:csKLBORsPbafmSCGTEh3U7Ozmsuq8ZSIlK
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/go-playground/validator.v8 v8.18.1 h1:F8SLY5Vqesjs1nI1EL4qmF1PQZ1sitsmq0rPYXLyfGU=
 gopkg.in/go-playground/validator.v8 v8.18.1/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
 gopkg.in/h2non/filetype.v1 v1.0.5 h1:CC1jjJjoEhNVbMhXYalmGBhOBK2V70Q1N850wt/98/Y=
 gopkg.in/h2non/filetype.v1 v1.0.5/go.mod h1:M0yem4rwSX5lLVrkEuRRp2/NinFMD5vgJ4DlAhZcfNo=
 gopkg.in/inconshreveable/go-update.v0 v0.0.0-20150814200126-d8b0b1d421aa h1:drvf2JoUL1fz3ttkGNkw+rf3kZa2//7XkYGpSO4NHNA=