fix msrv

[lalitb]

Error:

error: package `hyper-rustls v0.27.3` cannot be built because it requires rustc 1.70 or newer, while the currently active rustc version is 1.65.0
Either upgrade to rustc 1.70 or newer, or use
cargo update -p hyper-rustls@0.27.3 --precise ver
where `ver` is the latest version of `hyper-rustls` supporting rustc 1.65.0

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.9%. Comparing base (4bc02f4) to head (658d2e5).
Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #2079   +/-   ##
=====================================
  Coverage   77.9%   77.9%           
=====================================
  Files        121     121           
  Lines      21143   21143           
=====================================
  Hits       16479   16479           
  Misses      4664    4664           

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