Add JFS_RSA_PASSPHRASE environment variable prompt information

[zhijian-pro]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1706 (30baf5c) into main (4eefc49) will decrease coverage by 0.09%.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##             main    #1706      +/-   ##
==========================================
- Coverage   61.71%   61.62%   -0.10%     
==========================================
  Files         134      134              
  Lines       22719    22721       +2     
==========================================
- Hits        14022    14001      -21     
- Misses       7124     7143      +19     
- Partials     1573     1577       +4     

Impacted Files	Coverage Δ
pkg/meta/config.go	53.24% <0.00%> (-1.42%)	⬇️
pkg/object/encrypt.go	68.29% <100.00%> (ø)
pkg/vfs/reader.go	81.56% <0.00%> (-3.11%)	⬇️
pkg/chunk/cached_store.go	77.83% <0.00%> (-0.68%)	⬇️
pkg/meta/sql.go	67.23% <0.00%> (ø)

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