linkerd/linkerd2 edge-21.3.3

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edge-21.3.3

This release includes various bug fixes and improvements to the CLI, the
identity and destination control plane components as well as the proxy. This
release also ships with a new CLI binary for Apple Silicon M1 chips.

• Added new RabbitMQ integration tests (thanks @barkardk!)
• Updated the Go version to 1.16.2
• Fixed an issue where the linkerd identity command returned the root
  certificate of a pod instead of its leaf certificate
• Fixed an issue where the destination service would respond with too big of a
  header and result in http2 protocol errors
• Updated the release process to build Linkerd CLI binaries for Apple Silicon
  M1 chips
• Improved error messaging when trying to install Linkerd on a cluster that
  already had Linkerd installed
• Fixed an issue where the destination control plane component sometimes
  returned endpoint addresses with a 0 port number while pods were
  undergoing a rollout (thanks @riccardofreixo!)
• Added a loading spinner to the linkerd check command when running extension
  checks
• Fixed an issue where pod lookups by host IP and host port fail even though
  the cluster has a matching pod
• Control plane proxies no longer emit warnings about the resolution stream
  ending. This error was innocuous.
• Fixed an issue where proxies could infinitely retry failed requests to the
  destination controller when it returned a FailedPrecondition
• The proxy's logging infrastructure has been updated to reduce memory pressure
  in high-connection environments.