Release 0.7.0

Dependencies

• deps: Update DevKit to release-2.10.0

Features

• Add metadata_headers to control_plane_metadata structure
• Add observed streams to IsolateEzService
• Deferred attribute setup for ObservedStream
• Interceptor works for reqs leaving Isolate
• Propagate deadline through remaining routes
• Propagate timeout/deadline for unary calls
• Propagate trace context via isolate RPCs

Bug Fixes

• Increase sleep duration in container tests to reduce flake

Documentation

• fix node readme formatting