Nexus: Update cypress test image

Package Merge Request

Package Changes

Nexus upgrade to 3.45.0 + Cypress image update.

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/nexus/-/blob/45.0.0-bb.1/CHANGELOG.md

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/nexus/-/blob/45.0.0-bb.0/CHANGELOG.md

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/nexus/-/merge_requests/81

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/nexus/-/merge_requests/78

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/nexus/-/issues/53