fix: replace with faster JSON encoding

[rchincha]

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[codecov]

Codecov Report

Merging #1871 (1791d51) into main (75085dc) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 1791d51 differs from pull request most recent head fe98e44. Consider uploading reports for the commit fe98e44 to get more accurate results

@@            Coverage Diff             @@
##             main    #1871      +/-   ##
==========================================
- Coverage   92.02%   92.01%   -0.02%     
==========================================
  Files         152      152              
  Lines       26454    26454              
==========================================
- Hits        24344    24341       -3     
- Misses       1559     1561       +2     
- Partials      551      552       +1     

Files	Coverage Δ
pkg/meta/boltdb/boltdb.go	88.87% <ø> (ø)
pkg/meta/dynamodb/dynamodb.go	92.59% <ø> (ø)

... and 1 file with indirect coverage changes

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