New update erroneous date

[rebeccanash]

• Add new "cascading" resampling, so that when a single date is updated the connected erroneous/missing dates are also updated
• Distinguishes between "batch" updates where all dates are cleared and resampled using correct "anchor" dates, and the above "cascade" updates where only one date is cleared at a time

[codecov]

Codecov Report

❌ Patch coverage is 98.07692% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.10%. Comparing base (40c8e52) to head (3f02b03).

Files with missing lines	Patch %	Lines
R/mcmc-augmented-data-update.R	98.07%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #25      +/-   ##
==========================================
+ Coverage   96.01%   96.10%   +0.08%     
==========================================
  Files           8        8              
  Lines         778      847      +69     
==========================================
+ Hits          747      814      +67     
- Misses         31       33       +2     

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