Update the Solo5 upstream to accomadate changes to the Block session and stack protection support in the base library. Ref #3275 Ref #3283
Add the following Solo5 tests to Autopilot: hello, fpu, globals, quiet, blk. The remaining tests require a Rtc service or IP routing. Ref #3027
A shared library implementation of the unikernel middleware. https://github.com/Solo5/solo5 Fix #2945
