chore(main): release 0.81.6

[kurtosisbot]

🤖 I have created a release beep boop

0.81.6 (2023-08-11)

Features

• add more endpoints to support the Cloud (#1077) (1d70382)
• enable streaming exec output in container engine [stream exec pt. 1] (#1043) (e8f34ef)
• implement new logging architecture v0 (#1071) (c66c148)
• make enclave namespace and network naming deterministic (#1100) (0d42106)
• Persist file artifacts (#1084) (c7b3590)
• Portal automatic start and stop on context change (#1086) (a6a73d1), closes #970
• Update files if already present in enclave (#1066) (1135543)

Bug Fixes

• Add API key to endpoint (#1102) (64f0c20)
• Fix issue with idempotent plan resolution (#1087) (fd48f8f)
• Forward the engine port after verifying that an engine container is running and before initializing the engine client (#1099) (b0b7a3b)
• update golang docker client to latest (#1082) (724084f)

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[kurtosisbot]

🤖 Release is at https://github.com/kurtosis-tech/kurtosis/releases/tag/0.81.6 🌻