Big Bang Bot: Update CODEOWNERS
| Action | User | Reason |
| --------- | --------- | ----------- |
| Add | @jimmy.bourque | User added from team charter [mission team manifest](https://repo1.dso.mil/big-bang/team/team-charter/-/blob/main/data/mission_team_charter.json?ref_type=heads) |
These changes were automatically generated based on the state stored in the
[team charter mission team manifest](https://repo1.dso.mil/big-bang/team/team-charter/-/blob/main/data/mission_team_charter.json?ref_type=heads).
If these changes are not expected, please refer to
[updating team charter manifest](https://repo1.dso.mil/big-bang/team/team-charter/-/blob/main/README.md?ref_type=heads#automatic-codeowners-configuration).
issue