Bump the pvsite_datamodel dependency

[simlmx]

• Do the writing to the PV sites database ourselves

Still TODO

• [x] Merge https://github.com/openclimatefix/pv-site-datamodel/pull/50
• [x] Bump the dependency to newest pv-site-datamodel
• [x] Fix the tests in main (See #51 )

[codecov-commenter]

Codecov Report

Merging #52 (32fa61f) into main (188b7bd) will increase coverage by 0.16%. The diff coverage is 25.00%.

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@@            Coverage Diff             @@
##             main      #52      +/-   ##
==========================================
+ Coverage   48.81%   48.97%   +0.16%     
==========================================
  Files           6        6              
  Lines         295      294       -1     
==========================================
  Hits          144      144              
+ Misses        151      150       -1     

Impacted Files	Coverage Δ
pvconsumer/app.py	34.93% <0.00%> (+0.41%)	:arrow_up:
pvconsumer/solar_sheffield_passiv.py	24.56% <ø> (ø)
pvconsumer/save.py	45.45% <33.33%> (ø)
pvconsumer/__init__.py	100.00% <100.00%> (ø)

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