test(ci): Add CI for minimum supported dependency versions #2423
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This builds on #2418, adding another env for the minimum supported version of all required dependencies.
If we follow spec 0000, we would support older versions of dependencies going back 2 years (3 years for Python).
Interestingly, trying this for all our dependencies turned up a few things that are worth looking at:
@deprecatedand 4.6 forBufferAt this point, I don't see any major issue with bumping these dependencies but its nice to know what we actually support.