Update Rust in CI to 1.76

[Patrik-Stas]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 11 lines in your changes are missing coverage. Please review.

Project coverage is 0.05%. Comparing base (8715b95) to head (b3402fd).

Files	Patch %	Lines
aries/aries_vcx_core/src/ledger/type_conversion.rs	0.00%	4 Missing ⚠️
...e/src/anoncreds/credx_anoncreds/type_conversion.rs	0.00%	3 Missing ⚠️
aries/aries_vcx/src/common/credentials/encoding.rs	0.00%	1 Missing ⚠️
...ies/aries_vcx/src/handlers/out_of_band/receiver.rs	0.00%	1 Missing ⚠️
aries/aries_vcx/src/protocols/did_exchange/mod.rs	0.00%	1 Missing ⚠️
...libvdrtools/indy-wallet/src/storage/mysql/query.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #1158   +/-   ##
=====================================
  Coverage   0.05%   0.05%           
=====================================
  Files        483     483           
  Lines      24188   24182    -6     
  Branches    4473    4469    -4     
=====================================
  Hits          13      13           
+ Misses     24175   24169    -6     

Flag	Coverage Δ
unittests-aries-vcx	0.05% <0.00%> (+<0.01%)	⬆️

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