Fix 431 PR merge

[jguipi]

What this PR does / why we need it:
It resolves PR 431 merge by using the latest GetFromTargetInfo() method in logsVpnSeed()

Which issue(s) this PR fixes:
Fixes #455

Special notes for your reviewer:

• none
  Release note:

- Make logsVpnSeed() use the latest GetFromTargetInfo() method

[dansible]

The pipeline is giving this error, can you take a look?

Step 2/17 : RUN mkdir -p /go/src/github.com/gardener/gardenctl &&    cd /go/src/github.com/gardener &&    git clone https://github.com/gardener/gardenctl.git &&    cd ./gardenctl &&    CGO_ENABLED=0 GOOS=linux go build -mod=vendor -a -installsuffix cgo -o gardenctl cmd/gardenctl/main.go

 ---> Running in 6776b5611bb7

Cloning into 'gardenctl'...

# github.com/gardener/gardenctl/pkg/cmd

pkg/cmd/logs.go:583:22: undefined: getFromTargetInfo

The command '/bin/sh -c mkdir -p /go/src/github.com/gardener/gardenctl &&    cd /go/src/github.com/gardener &&    git clone https://github.com/gardener/gardenctl.git &&    cd ./gardenctl &&    CGO_ENABLED=0 GOOS=linux go build -mod=vendor -a -installsuffix cgo -o gardenctl cmd/gardenctl/main.go' returned a non-zero code: 2

[dansible]

Seems the error is referencing the current master code. Let's merge and retry