fixed gradle metadata sources

[reshmifrog]

• All tests passed. If this feature is not already covered by the tests, I added new tests.
• All static analysis checks passed.
• Appropriate label is added to auto generate release notes.
• I used gofmt for formatting the code before submitting the pull request.
• PR description is clear and concise, and it includes the proposed solution/fix.

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Problem : JFrogGradle@1 Azure DevOps task was failing with 404 errors
Solution: JFrog init script's configureMavenRepo() function was missing metadataSources , so added metadata configs in the init script.

[nitinp19]

It looks good. could you also check if there are any other properties which can be a part of the metadataSource?

[reshmifrog]

It looks good. could you also check if there are any other properties which can be a part of the metadataSource?

I have verified this no other properties are required