Update rust toolchain to 1.45.2

[Patrik-Stas]

Signed-off-by: Patrik Stas patrik.stas@absa.africa

[codecov-io]

Codecov Report

Merging #154 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #154      +/-   ##
==========================================
- Coverage   51.11%   51.08%   -0.03%     
==========================================
  Files         151      151              
  Lines       22923    22923              
  Branches     6053     6053              
==========================================
- Hits        11716    11711       -5     
- Misses       7600     7606       +6     
+ Partials     3607     3606       -1     

Flag	Coverage Δ
unittests	51.08% <ø> (-0.03%)	⬇️

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

Impacted Files	Coverage Δ
libvcx/src/lib.rs	33.39% <0.00%> (-0.16%)	⬇️

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[mirgee]

You forgot to update android.dockerfile for android build and build.sh for iOS.

[Patrik-Stas]

@mirgee
iOS build fails with 1.47, perhaps we can downgrade rust for for iOS build and create issue for awareness?