build(deps): bump github.com/go-openapi/strfmt from 0.19.3 to 0.19.4 (#84)

Bumps [github.com/go-openapi/strfmt](https://github.com/go-openapi/strfmt) from 0.19.3 to 0.19.4.
- [Release notes](https://github.com/go-openapi/strfmt/releases)
- [Commits](go-openapi/strfmt@v0.19.3...v0.19.4)

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

Author: dependabot-preview[bot]

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/elastic/uptd v1.0.0
 	github.com/ghodss/yaml v1.0.0
 	github.com/go-openapi/runtime v0.19.8
-	github.com/go-openapi/strfmt v0.19.3
+	github.com/go-openapi/strfmt v0.19.4
 	github.com/hashicorp/go-multierror v1.0.0
 	github.com/marclop/elasticsearch-cli v0.0.0-20190212132418-ee09f7ae57f1
 	github.com/pkg/errors v0.8.1

go.sum

@@ -125,6 +125,8 @@ github.com/go-openapi/strfmt v0.19.0/go.mod h1:+uW+93UVvGGq2qGaZxdDeJqSAqBqBdl+Z
 github.com/go-openapi/strfmt v0.19.2/go.mod h1:0yX7dbo8mKIvc3XSKp7MNfxw4JytCfCD6+bY1AVL9LU=
 github.com/go-openapi/strfmt v0.19.3 h1:eRfyY5SkaNJCAwmmMcADjY31ow9+N7MCLW7oRkbsINA=
 github.com/go-openapi/strfmt v0.19.3/go.mod h1:0yX7dbo8mKIvc3XSKp7MNfxw4JytCfCD6+bY1AVL9LU=
+github.com/go-openapi/strfmt v0.19.4 h1:eRvaqAhpL0IL6Trh5fDsGnGhiXndzHFuA05w6sXH6/g=
+github.com/go-openapi/strfmt v0.19.4/go.mod h1:eftuHTlB/dI8Uq8JJOyRlieZf+WkkxUuk0dgdHXr2Qk=
 github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg=
 github.com/go-openapi/swag v0.18.0 h1:1DU8Km1MRGv9Pj7BNLmkA+umwTStwDHttXvx3NhJA70=
 github.com/go-openapi/swag v0.18.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg=