feat(bitbucket-pipelines): update file patterns to support shared configs

[setchy]

Changes

Update bitbucket-pipelines file patterns

• support for new shared configuration patterns *-pipelines.yml
• refine patterns to not match on .yaml, since this file extension isn't supported as per Atlassian official docs

Context

• https://www.atlassian.com/blog/bitbucket/split-your-pipelines-workflows-across-multiple-files
• https://support.atlassian.com/bitbucket-cloud/docs/get-started-with-bitbucket-pipelines/

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