Add sample versions in extraDevfileEntries.yaml

[thepetk]

What does this PR do?:

This PR is the last step to the support of multiple sample versions inside the extraDevfileEntries.yaml. This feature will allow us to support samples with parents using outerloop and to have more consistent ports.

As a result all entries inside the extraDevfileEntries.yaml have been updated to have versions. Other than that the 3 samples that have a parent supporting outerloop now have an extra version. Those are:

• go-basic: We have added version 2.0.0 in order to support the outerloop go stack versions.
• python-basic: We have added version 2.0.0 in order to support the outerloop python stack versions.
• java-springboot-basic: We have added version 2.0.0 in order to support the outerloop java-springboot stack versions.

Which issue(s) this PR fixes:

fixes devfile/api#1112

PR acceptance criteria:

• Contributing guide
  Have you read the devfile registry contributing guide and followed its instructions?
• Test automation
  Does this repository's tests pass with your changes?
• Documentation
  Does any documentation need to be updated with your changes?
• Check Tools Provider
  Have you tested the changes with existing tools, i.e. Odo, Che, Console? (See devfile registry contributing guide on how to test changes)

How to test changes / Special notes to the reviewer:

Some notes for the consumers of the registry:

• ODC is using the /index/sample endpoint which will only return the default (old) versions of each sample.
• RHTAP is using the /index/sample endpoint which will only return the default (old) versions of each sample.
• odo is not using the devfile samples.

For RHTAP I've tried to update locally the mock-devfile-data.ts with the updated index/sample (only the git.revision is added) and ran the tests. The tests were ok.

For ODC I've started a console server locally (CRC) using minikube & a build of the updated registry.

[michael-valdron]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: michael-valdron, thepetk

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