chore: added hack/verify-reports.sh script

[mlavacca]

What type of PR is this?

/area conformance

What this PR does / why we need it:

Recently, many submitted reports were not compliant with the rules stated in this document. This PR aims to create a script to automatically check the correctness of the uploaded reports and the structure. The following are the checks performed:

• a README file exists in the project conformance page
• such a README does not contain broken links
• the reports are named according to the pattern <experimental | standard>-<semver>-<mode>-report.yaml
• the project version is a valid semver
• the GatewayAPIVersion field matches the folder in which the report has been created
• the GatewayAPIChannel is either "standard" or "experimental"

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

Skipping CI for Draft Pull Request. If you want CI signal for your change, please convert it to an actual PR. You can still manually trigger a test run with /test all

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: mlavacca Once this PR has been reviewed and has the lgtm label, please assign youngnick for approval. For more information see the Kubernetes Code Review Process.

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[mlavacca]

/test pull-gateway-api-verify

[mlavacca]

/test pull-gateway-api-verify

[mlavacca]

The CI job is intended to fail until https://github.com/kubernetes-sigs/gateway-api/pull/3168 does not get merged

[robscott]

The CI job is intended to fail until #3168 does not get merged

That PR merged, this one may also need a rebase, we'll see.

/retest