go.mod: bump github.com/hashicorp/go-plugin from 1.5.2 to 1.6.0

Bumps [github.com/hashicorp/go-plugin](https://github.com/hashicorp/go-plugin) from 1.5.2 to 1.6.0.
- [Release notes](https://github.com/hashicorp/go-plugin/releases)
- [Changelog](https://github.com/hashicorp/go-plugin/blob/main/CHANGELOG.md)
- [Commits](hashicorp/go-plugin@v1.5.2...v1.6.0)

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

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

go.mod

@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	github.com/bufbuild/buf v1.27.2
-	github.com/hashicorp/go-plugin v1.5.2
+	github.com/hashicorp/go-plugin v1.6.0
 	go.uber.org/mock v0.3.0
 	google.golang.org/grpc v1.59.0
 	google.golang.org/protobuf v1.31.0

go.sum

@@ -65,8 +65,8 @@ github.com/google/pprof v0.0.0-20230926050212-f7f687d19a98 h1:pUa4ghanp6q4IJHwE9
 github.com/google/pprof v0.0.0-20230926050212-f7f687d19a98/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik=
 github.com/hashicorp/go-hclog v1.5.0 h1:bI2ocEMgcVlz55Oj1xZNBsVi900c7II+fWDyV9o+13c=
 github.com/hashicorp/go-hclog v1.5.0/go.mod h1:W4Qnvbt70Wk/zYJryRzDRU/4r0kIg0PVHBcfoyhpF5M=
-github.com/hashicorp/go-plugin v1.5.2 h1:aWv8eimFqWlsEiMrYZdPYl+FdHaBJSN4AWwGWfT1G2Y=
-github.com/hashicorp/go-plugin v1.5.2/go.mod h1:w1sAEES3g3PuV/RzUrgow20W2uErMly84hhD3um1WL4=
+github.com/hashicorp/go-plugin v1.6.0 h1:wgd4KxHJTVGGqWBq4QPB1i5BZNEx9BR8+OFmHDmTk8A=
+github.com/hashicorp/go-plugin v1.6.0/go.mod h1:lBS5MtSSBZk0SHc66KACcjjlU6WzEVP/8pwz68aMkCI=
 github.com/hashicorp/yamux v0.1.1 h1:yrQxtgseBDrq9Y652vSRDvsKCJKOUD+GzTS4Y0Y8pvE=
 github.com/hashicorp/yamux v0.1.1/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbgIO0SLnQ=
 github.com/ianlancetaylor/demangle v0.0.0-20210905161508-09a460cdf81d/go.mod h1:aYm2/VgdVmcIU8iMfdMvDMsRAQjcfZSKFby6HOFvi/w=