Add runs get output command

[areese]

No description provided.

[codecov-io]

Codecov Report

Merging #247 into master will decrease coverage by 0.09%.
The diff coverage is 80%.

@@            Coverage Diff            @@
##           master     #247     +/-   ##
=========================================
- Coverage   82.92%   82.82%   -0.1%     
=========================================
  Files          31       31             
  Lines        1991     2003     +12     
=========================================
+ Hits         1651     1659      +8     
- Misses        340      344      +4

Impacted Files	Coverage Δ
databricks_cli/runs/api.py	57.14% <50%> (-1.2%)	⬇️
databricks_cli/runs/cli.py	97.26% <87.5%> (-1.21%)	⬇️
databricks_cli/cli.py	0% <0%> (ø)	⬆️

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