docs(rdb): add method to restore backup from another instance with different version

[jremy42]

close #1137

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Relates OR Closes #0000

Release note for CHANGELOG:

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.46%. Comparing base (85d6cfc) to head (214ec28).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5107   +/-   ##
=======================================
  Coverage   57.46%   57.46%           
=======================================
  Files         308      308           
  Lines       67209    67209           
=======================================
  Hits        38623    38623           
  Misses      27148    27148           
  Partials     1438     1438           

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