go.mod: sync dependencies with k6 core

[github-actions]

This automated PR aligns the following dependency mismatches with k6 core:

2023/09/15 14:07:52 detected k6 core version v0.46.0
2023/09/15 14:07:53 Mismatched versions for github.com/spf13/cobra:
Ours: v1.5.0
Core: v1.4.0
2023/09/15 14:07:53 Mismatched versions for golang.org/x/sys:
Ours: v0.11.0
Core: v0.9.0
2023/09/15 14:07:53 Mismatched versions for google.golang.org/grpc:
Ours: v1.57.0-dev
Core: v1.56.1
2023/09/15 14:07:53 Mismatched versions for github.com/spf13/afero:
Ours: v1.2.2
Core: v1.1.2

The following commands were run to align the dependencies:

go get github.com/spf13/cobra@v1.4.0
go get golang.org/x/sys@v0.9.0
go get google.golang.org/grpc@v1.56.1
go get github.com/spf13/afero@v1.1.2

And produced the following output:

go: downgraded github.com/spf13/cobra v1.5.0 => v1.4.0
go: downgraded golang.org/x/sys v0.11.0 => v0.9.0
go: module github.com/golang/protobuf is deprecated: Use the "google.golang.org/protobuf" module instead.
go: downgraded google.golang.org/grpc v1.57.0-dev => v1.56.1
go: downgraded github.com/containerd/containerd v1.7.3 => v1.4.13
go: downgraded github.com/spf13/afero v1.2.2 => v1.1.2
go: downgraded github.com/testcontainers/testcontainers-go v0.21.0 => v0.9.0
go: removed github.com/testcontainers/testcontainers-go/modules/k3s v0.21.0
go: downgraded k8s.io/api v0.27.4 => v0.23.0-alpha.0
go: downgraded k8s.io/apimachinery v0.27.4 => v0.23.0-alpha.0
go: downgraded k8s.io/client-go v0.27.4 => v0.15.13-beta.0
go: downgraded k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f => v0.0.0-20210421082810-95288971da7e

Due to a limitation of GitHub Actions, to run CI checks for this PR, close it and reopen it again.

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[roobre]

Seems like there's a gotcha in the CI script, where the PR description is not updated when the job updates a PR that was already open (such as this one).

[roobre]

• make integration passes
• make e2e-disruptors passes

LGTM