Bump github.com/hashicorp/go-plugin in /logproxy-filter-drop

Bumps [github.com/hashicorp/go-plugin](https://github.com/hashicorp/go-plugin) from 1.4.5 to 1.4.6.
- [Release notes](https://github.com/hashicorp/go-plugin/releases)
- [Changelog](https://github.com/hashicorp/go-plugin/blob/master/CHANGELOG.md)
- [Commits](hashicorp/go-plugin@v1.4.5...v1.4.6)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/go-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

logproxy-filter-drop/go.mod

@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	github.com/hashicorp/go-hclog v1.3.1
-	github.com/hashicorp/go-plugin v1.4.5
+	github.com/hashicorp/go-plugin v1.4.6
 	github.com/philips-software/go-hsdp-api v0.75.6
 	github.com/philips-software/logproxy v1.7.4
 )

logproxy-filter-drop/go.sum

@@ -456,8 +456,9 @@ github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHh
 github.com/hashicorp/go-multierror v1.1.0/go.mod h1:spPvp8C1qA32ftKqdAHm4hHTbPw+vmowP0z+KUhOZdA=
 github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
 github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
-github.com/hashicorp/go-plugin v1.4.5 h1:oTE/oQR4eghggRg8VY7PAz3dr++VwDNBGCcOfIvHpBo=
 github.com/hashicorp/go-plugin v1.4.5/go.mod h1:viDMjcLJuDui6pXb8U4HVfb8AamCWhHGUjr2IrTF67s=
+github.com/hashicorp/go-plugin v1.4.6 h1:MDV3UrKQBM3du3G7MApDGvOsMYy3JQJ4exhSoKBAeVA=
+github.com/hashicorp/go-plugin v1.4.6/go.mod h1:viDMjcLJuDui6pXb8U4HVfb8AamCWhHGUjr2IrTF67s=
 github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
 github.com/hashicorp/go-rootcerts v1.0.2/go.mod h1:pqUvnprVnM5bf7AOirdbb01K4ccR319Vf4pU3K5EGc8=
 github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=