Create scheduler updates

[wtgee]

A few updates to the helper script that creates a scheduler.

• Better checking of iers_auto conf for downloading IERS file when problems.
• Add some typing to the file. Note that updates to python 3.10.
• Use Paths.

Comes from #1167

[codecov]

Codecov Report

Merging #1174 (a06c919) into develop (4908119) will decrease coverage by 8.18%.
The diff coverage is 61.16%.

@@             Coverage Diff             @@
##           develop    #1174      +/-   ##
===========================================
- Coverage    83.08%   74.89%   -8.19%     
===========================================
  Files           86       91       +5     
  Lines         7425     7812     +387     
  Branches       635      869     +234     
===========================================
- Hits          6169     5851     -318     
- Misses        1083     1818     +735     
+ Partials       173      143      -30     

Impacted Files	Coverage Δ
src/panoptes/pocs/camera/gphoto/remote.py	0.00% <0.00%> (-21.57%)	⬇️
src/panoptes/pocs/sensor/power.py	40.23% <0.00%> (-1.74%)	⬇️
...rc/panoptes/pocs/state/states/default/analyzing.py	5.55% <0.00%> (-54.45%)	⬇️
src/panoptes/pocs/state/states/default/tracking.py	6.66% <0.00%> (-76.67%)	⬇️
src/panoptes/pocs/utils/cli/main.py	0.00% <0.00%> (-70.00%)	⬇️
src/panoptes/pocs/utils/database.py	0.00% <0.00%> (ø)
src/panoptes/pocs/utils/error.py	0.00% <0.00%> (ø)
src/panoptes/pocs/utils/logger.py	100.00% <ø> (ø)
tests/test_ioptron.py	66.66% <0.00%> (+0.70%)	⬆️
...rc/panoptes/pocs/state/states/default/observing.py	14.28% <16.66%> (-61.91%)	⬇️
... and 70 more

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