update Temporal Cloud dashboard (#66)

* update Temporal Cloud dashboard

- Add Replication Lag
- Add Frontend Resource Exhausted Errors
- Rearrange a couple rows
- Update various version numbers and variables as result of newer
  Grafana

* move sync match rate up a bit, add descriptions

adds some tooltip descriptions for key metrics with links to
documentation

* make actions panel active only

* move poll sync/async closer to syncmatch

* more tooltips

More tooltips, links to docs. Added a few missing graphs.
rearranged some rows.

* more tweaks

* fix json

Author: TimSimmons