fix: open session replay attack

[jingchen2222]

In this pr, we proposed a method reduce the possibility of open session replay attack

1. Open session header should be unique in a node
2. TTS for Open session
   Resolve QuerySession replay attack #239

Use random uuid string as token

[codecov-commenter]

Codecov Report

Merging #240 (f9b5ce3) into main (2fdd454) will increase coverage by 1.49%.
The diff coverage is 95.33%.

@@            Coverage Diff             @@
##             main     #240      +/-   ##
==========================================
+ Coverage   53.34%   54.83%   +1.49%     
==========================================
  Files          41       41              
  Lines        3667     3797     +130     
==========================================
+ Hits         1956     2082     +126     
- Misses       1711     1715       +4     

Flag	Coverage Δ
rust	54.83% <95.33%> (+1.49%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/node/src/storage_node_impl.rs	0.58% <0.00%> (-0.01%)	⬇️
src/session/src/session_manager.rs	91.81% <98.57%> (+1.27%)	⬆️
src/sdk/src/store_sdk.rs	94.83% <98.66%> (+0.90%)	⬆️

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[imotai]

I think we should have a time-to-live for the signature to avoid reusing the signature

[imotai]

LGTM