mrc-4462: more cli errors

[richfitz]

Just goes through and replaces more stop() errors with cli::cli_abort(); there are more of these to come, and I'm just focussing on the ones most likely to be seen by users when running things

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (2436972) 100.00% compared to head (193f508) 100.00%.

❗ Current head 193f508 differs from pull request most recent head 89811cd. Consider uploading reports for the commit 89811cd to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #91   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           37        37           
  Lines         3068      3089   +21     
=========================================
+ Hits          3068      3089   +21     

Files Changed	Coverage Δ
R/config.R	100.00% <100.00%> (ø)
R/metadata.R	100.00% <100.00%> (ø)
R/outpack_metadata.R	100.00% <100.00%> (ø)
R/outpack_misc.R	100.00% <100.00%> (ø)
R/outpack_packet.R	100.00% <100.00%> (ø)
R/query_search.R	100.00% <100.00%> (ø)
R/root.R	100.00% <100.00%> (ø)
R/run.R	100.00% <100.00%> (ø)

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