chore: add bitbucket build canary badge

[avallete]

What kind of change does this PR introduce?

Add a badge to keep an eye over the pipeline from bitbucket and gitlab.

What is the current behavior?

Please link any relevant issues here.

What is the new behavior?

Feel free to include screenshots if it includes visual changes.

Additional context

Add any other context or screenshots.

[coveralls]

Pull Request Test Coverage Report for Build 11029006322

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 10 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.06%) to 59.974%

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Files with Coverage Reduction	New Missed Lines	%
internal/storage/rm/rm.go	2	89.53%
internal/debug/postgres.go	3	64.86%
internal/gen/keys/keys.go	5	12.9%

Totals
Change from base Build 11027540271:	-0.06%
Covered Lines:	6455
Relevant Lines:	10763

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💛 - Coveralls