feat: support modify vpc peering options

[zjj2wry]

Description of your changes

Fixes #1462

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

[haarchri]

tested
Thanks for Implementation

[r0mdau]

The CI lint is broken following this change

pkg/controller/ec2/vpcpeeringconnection/setup.go:84:1: cyclomatic complexity 11 of func `(*custom).postObserve` is high (> 10) (gocyclo)
func (e *custom) postObserve(_ context.Context, cr *svcapitypes.VPCPeeringConnection, obj *svcsdk.DescribeVpcPeeringConnectionsOutput, obs managed.ExternalObservation, err error) (managed.ExternalObservation, error) {
^
10:57:47 [FAIL]

[haarchri]

@r0mdau thanks i had no time but it is on my list =) if you have time it would be great to see a PR - that helps a lot