Update Equinix Metal CCM to v3.4.2

[xmudrii]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Update Equinix Metal CCM to v3.4.2.

The default instance size is changed to c3.small.x86 because t1.small.x86 is not available any longer. If you're using the latest Terraform configs for Equinix Metal with an existing cluster, make sure to explicitly set the instance size (device_type and lb_device_type) in terraform.tfvars or otherwise your instances might get recreated.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
xref #2011

Does this PR introduce a user-facing change?:

Update Equinix Metal CCM to v3.4.2
[ACTION REQUIRED] Change default instance size in example Terraform configs for Equinix Metal to `c3.small.x86` because `t1.small.x86` is not available any longer. If you're using the latest Terraform configs for Equinix Metal with an existing cluster, make sure to explicitly set the instance size (device_type and lb_device_type) in terraform.tfvars or otherwise your instances might get recreated

/assign @kron4eg

[kubermatic-bot]

Skipping CI for Draft Pull Request.
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[kron4eg]

/approve
/lgtm

[kubermatic-bot]

LGTM label has been added.

Git tree hash: 154e193ae2357f17edf3c9b7eb06320541e8c004

[kubermatic-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kron4eg

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[kron4eg]

/lgtm

[kubermatic-bot]

LGTM label has been added.

Git tree hash: ae783398286ab5e196cc51e3592bb663e65b30ec