Expose EExpArgGroup and related types, version bump

[zslayton]

• Version bump to 1.0.0-rc.10
• Exposes types needed for the ion-cli to traverse eexp argument groups
• Enables reading e-expressions in delimited struct field value position

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Attention: Patch coverage is 31.25000% with 11 lines in your changes missing coverage. Please review.

Project coverage is 77.80%. Comparing base (d55483e) to head (014e9dd).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/lazy/binary/raw/v1_1/e_expression.rs	0.00%	4 Missing ⚠️
src/lazy/binary/raw/v1_1/immutable_buffer.rs	55.55%	3 Missing and 1 partial ⚠️
src/lazy/any_encoding.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #881      +/-   ##
==========================================
- Coverage   77.84%   77.80%   -0.05%     
==========================================
  Files         136      136              
  Lines       34679    34681       +2     
  Branches    34679    34681       +2     
==========================================
- Hits        26996    26982      -14     
- Misses       5683     5699      +16     
  Partials     2000     2000              

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