dep: upgrade tokio to 1.35.1

[kevinXYin]

Relevant Issue (if applicable)

#1486

Details

Fix painc after all prefetch worker exit for fscache mode.
I tried to find the root cause for this issue, but I am not familiar with tokio. Anyway
after update tokio this issue does not recur.

Types of changes

What types of changes does your PullRequest introduce? Put an x in all the boxes that apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

Go over all the following points, and put an x in all the boxes that apply.

• I have updated the documentation accordingly.
• I have added tests to cover my changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7f27b7a) 61.29% compared to head (9fb64fe) 61.28%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1531      +/-   ##
==========================================
- Coverage   61.29%   61.28%   -0.02%     
==========================================
  Files         145      145              
  Lines       46617    46617              
  Branches    44153    44153              
==========================================
- Hits        28576    28571       -5     
- Misses      16591    16595       +4     
- Partials     1450     1451       +1     

see 2 files with indirect coverage changes