cmd/dump: add keep-secret-key option

[SandyXSD]

close #2670

[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
3 Code Smells

No Coverage information
0.0% Duplication

[codecov-commenter]

Codecov Report

Merging #2699 (af4f73b) into main (4963abd) will increase coverage by 0.00%.
The diff coverage is 66.66%.

@@           Coverage Diff           @@
##             main    #2699   +/-   ##
=======================================
  Coverage   59.55%   59.56%           
=======================================
  Files         138      138           
  Lines       23619    23623    +4     
=======================================
+ Hits        14067    14071    +4     
- Misses       7718     7719    +1     
+ Partials     1834     1833    -1     

Impacted Files	Coverage Δ
pkg/meta/interface.go	45.39% <ø> (ø)
pkg/meta/redis.go	69.87% <50.00%> (+0.04%)	⬆️
pkg/meta/sql.go	63.71% <50.00%> (ø)
pkg/meta/tkv.go	74.51% <50.00%> (ø)
cmd/dump.go	79.06% <80.00%> (+2.14%)	⬆️
pkg/vfs/backup.go	61.11% <100.00%> (ø)
pkg/fs/fs.go	75.73% <0.00%> (-0.85%)	⬇️
pkg/chunk/disk_cache.go	78.69% <0.00%> (+0.48%)	⬆️
... and 1 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.