Bump google.golang.org/grpc from 1.54.0 to 1.56.3 in /privacy-on-beam

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.54.0 to 1.56.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.54.0...v1.56.3)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: indirect
...

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

privacy-on-beam/go.mod

@@ -28,6 +28,6 @@ require (
 	golang.org/x/text v0.9.0 // indirect
 	gonum.org/v1/gonum v0.12.0 // indirect
 	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
-	google.golang.org/grpc v1.54.0 // indirect
+	google.golang.org/grpc v1.56.3 // indirect
 	gopkg.in/retry.v1 v1.0.3 // indirect
-)
+)

privacy-on-beam/go.sum

@@ -104,13 +104,13 @@ gonum.org/v1/plot v0.12.0 h1:y1ZNmfz/xHuHvtgFe8USZVyykQo5ERXPnspQNVK15Og=
 gonum.org/v1/plot v0.12.0/go.mod h1:PgiMf9+3A3PnZdJIciIXmyN1FwdAA6rXELSN761oQkw=
 google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 h1:KpwkzHKEF7B9Zxg18WzOa7djJ+Ha5DzthMyZYQfEn2A=
 google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1/go.mod h1:nKE/iIaLqn2bQwXBg8f1g2Ylh6r5MN5CmZvuzZCgsCU=
-google.golang.org/grpc v1.54.0 h1:EhTqbhiYeixwWQtAEZAxmV9MGqcjEU2mFx52xCzNyag=
-google.golang.org/grpc v1.54.0/go.mod h1:PUSEXI6iWghWaB6lXM4knEgpJNu2qUcKfDtNci3EC2g=
+google.golang.org/grpc v1.56.3 h1:8I4C0Yq1EjstUzUJzpcRVbuYA2mODtEmpWiQoN/b2nc=
+google.golang.org/grpc v1.56.3/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
 google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/retry.v1 v1.0.3 h1:a9CArYczAVv6Qs6VGoLMio99GEs7kY9UzSF9+LD+iGs=
 gopkg.in/retry.v1 v1.0.3/go.mod h1:FJkXmWiMaAo7xB+xhvDF59zhfjDWyzmyAxiT4dB688g=
 honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
-rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=
+rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=