CI/CD Analytics: Add VSA deployment tiles to deployment frequency tab

Release notes

Problem to solve

Deployment frequency appears in two different locations under value stream analytics and under CI/CD Analytics - they are both using the same API

Proposal

In CI/CD Analytics, it would be nice to add the deployment frequency and number of deployments tiles to the deployment frequency tab, like this:

Things to note:

• A license check should be performed (for Ultimate) if using the VSA API, so it would be better to use the DORA API because that is already restricted to Ultimate.
• The tiles should represent the same interval that is displayed on the CI/CD Analytics page.
• CI/CD Analytics shows only deployment to production environments - deployment frequency in VSA shows?

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