Retrieve crate version from cargo-registry package

[pgarg66]

Problem

Crate version is hardcoded to 0.1.0 in registry server.

Summary of Changes

• Compute the crate version from the uploaded program
• Use the computed version in registry index

Fixes #

[codecov]

Codecov Report

Merging #33867 (2bb1216) into master (bdfb644) will decrease coverage by 0.1%.
Report is 2 commits behind head on master.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #33867     +/-   ##
=========================================
- Coverage    81.8%    81.8%   -0.1%     
=========================================
  Files         809      809             
  Lines      217692   217692             
=========================================
- Hits       178276   178256     -20     
- Misses      39416    39436     +20