feat(sg): added example for ipProtocol -1

[haarchri]

Signed-off-by: haarchri chhaar30@googlemail.com

Description of your changes

added example for securityGroup with ipProtocol: -1

Fixes #1400 #1138

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

kubectl get managed
NAME                                                    READY   SYNCED   ID                     VPC                     AGE
securitygroup.ec2.aws.crossplane.io/db-security-group   True    True     sg-099d50bb8084771f4   vpc-03359a2baaabf1704   12s
securitygroup.ec2.aws.crossplane.io/sample-cluster-sg   True    True     sg-08e483bec56b040fa   vpc-03359a2baaabf1704   12s

NAME                                    READY   SYNCED   ID                      CIDR          IPV6CIDR   AGE
vpc.ec2.aws.crossplane.io/sample-vpc    True    True     vpc-03359a2baaabf1704   10.0.0.0/16              33s
vpc.ec2.aws.crossplane.io/sample-vpc2   True    True     vpc-0b4bd7ed41c99a778   10.1.0.0/16              33s