fix: capi-e2e test flavor reference

[damdo]

What type of PR is this?

/kind failing-test

What this PR does / why we need it:
fix: capi-e2e test flavor reference, as the name has changed in #1355

Context:
"failed to read "cluster-template-topology.yaml" from provider's repository "infrastructure-gcp": failed to read file "/logs/artifacts/repository/infrastructure-gcp/v1.10.99/cluster-template-topology.yaml" from local release v1.10.99: stat /logs/artifacts/repository/infrastructure-gcp/v1.10.99/cluster-template-topology.yaml: no such file or directory"
https://prow.k8s.io/view/gs/kubernetes-ci-logs/pr-logs/pull/kubernetes-sigs_cluster-api-provider-gcp/1459/pull-cluster-api-provider-gcp-capi-e2e/1918628474663211008

[damdo]

/release-note-none

[damdo]

/test pull-cluster-api-provider-gcp-capi-e2e

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[damdo]

/test pull-cluster-api-provider-gcp-capi-e2e

[k8s-ci-robot]

@damdo: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cluster-api-provider-gcp-capi-e2e	cdbc3b8	link	false	/test pull-cluster-api-provider-gcp-capi-e2e

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: damdo, salasberryfin

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• OWNERS [damdo,salasberryfin]

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[salasberryfin]

/lgtm