Removes unnecessary dep on older "time" crate from chrono

[jpmcb]

Issue number:

N/a - inspired by awslabs/tough#506 and bottlerocket-os/bottlerocket#2748 (shout out to @jpculp for bringing this to our attention!). This should also resolve any references to RUSTSEC-2020-0071.

Description of changes:

Removes the unnecessary dependency on the older time version brought in by chrono

Testing done:

Doing integration tests now ... stay tuned!

Terms of contribution:

By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.

[stmcginnis]

Tests are happy and this looks good to me.

[jpmcb]

Integration tests are looking 👌🏼

❯ k get brs -A
NAMESPACE                 NAME                                                STATE   VERSION   TARGET STATE   TARGET VERSION   CRASH COUNT
brupop-bottlerocket-aws   brs-ip-192-168-143-224.us-west-2.compute.internal   Idle    1.12.0    Idle                            0
brupop-bottlerocket-aws   brs-ip-192-168-152-59.us-west-2.compute.internal    Idle    1.12.0    Idle                            0
brupop-bottlerocket-aws   brs-ip-192-168-156-75.us-west-2.compute.internal    Idle    1.12.0    Idle                            0