Allow unmanaged backups and add locality support

[johscheuer]

Description

Allow to create a FoundationDBbackup where the operator only manages the Deployment but not the backup itself. I also added changes from #2422

Type of change

• New feature (non-breaking change which adds functionality)

Discussion

Testing

Updated unit tests and e2e tests.

Documentation

Updated documentation in code.

Follow-up

The zone locality should be configurable.

[foundationdb-ci]

Result of fdb-kubernetes-operator-pr on Linux RHEL 9

• Commit ID: eeaa8a6
• Duration 1:57:21
• Result: ❌ FAILED
• Error: Error while executing command: if $fail_test; then exit 1; fi. Reason: exit status 1
• Build Log terminal output (available for 30 days)
• Build Workspace zip file of the working directory (available for 30 days)

[saintstack]

LGTM. Wouldn't mind a bit of high-level doc. on when unmanaged vs managed: i.e. when to use either. Thanks.

[foundationdb-ci]

Result of fdb-kubernetes-operator-pr on Linux RHEL 9

• Commit ID: 1f5b4c0
• Duration 2:04:53
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Log terminal output (available for 30 days)
• Build Workspace zip file of the working directory (available for 30 days)

[foundationdb-ci]

Result of fdb-kubernetes-operator-pr on Linux RHEL 9

• Commit ID: 52c51da
• Duration 1:34:31
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Log terminal output (available for 30 days)
• Build Workspace zip file of the working directory (available for 30 days)