chore: release 10.0.0

[release-please]

🤖 I have created a release *beep* *boop*

10.0.0 (2020-07-10)

⚠ BREAKING CHANGES

• The default machine type has been changed to e2-medium. If you want the old default, you should specify it explicitly: machine_type = "n1-standard-2".
• Pod security policy enablement has been changed to use a simple boolean flag (var. enable_pod_security_policy)

Features

• add configconnector to safer variant (#581) (4b3f609)
• Added variable for service dependency in binary_authorization sub module (#584) (e3e5458)
• Changed default node pool machine type to e2-medium (#597) (1de41ef)

Bug Fixes

• Compatibility for new asm release with 299.0.0 (#589) (a5213c4)
• Explicitly specify VPC-native clusters for beta modules. (#598) (d9f7782)
• Simplified pod security policy interface. (6069ece)
• Typo in autogen/safer-cluster/README.md (#596) (ebdf57d)

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