chore(deps): update dependency https://repo1.dso.mil/big-bang/bigbang.git to v2.15.0

This MR contains the following updates:

Package	Update	Change
https://repo1.dso.mil/big-bang/bigbang.git	minor	2.14.0 -> 2.15.0

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Release Notes

big-bang/bigbang

v2.15.0

Compare Source

• !2.15.0; List of merge requests in this release.

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