feat: update Iron VC to 0.14.0

[paullatzelsperger]

What this PR changes/adds

this PR updates our implementation of the JsonWebKey2020Signature suite to the new API of the iron-verifiable-credentials library v0.14.0.

Why it does that

Avoid technical debt

Further notes

List other areas of code that have changed but are not necessarily linked to the main feature. This could be method
signature changes, package declarations, bugs that were encountered and were fixed inline, etc.

Linked Issue(s)

Closes #4066

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 64.62094% with 98 lines in your changes are missing coverage. Please review.

Project coverage is 74.70%. Comparing base (7f20ba5) to head (6640e11).
Report is 223 commits behind head on main.

Files	Patch %	Lines
...lecredentials/linkeddata/DataIntegrityKeyPair.java	0.00%	26 Missing ⚠️
.../verifiablecredentials/linkeddata/LdpVerifier.java	66.66%	11 Missing and 12 partials ⚠️
...e/edc/security/signature/jws2020/Jws2020Proof.java	73.91%	7 Missing and 5 partials ⚠️
...ipse/edc/security/signature/jws2020/JwsIssuer.java	58.33%	6 Missing and 4 partials ⚠️
.../security/signature/jws2020/Jwk2020KeyAdapter.java	80.00%	4 Missing and 4 partials ⚠️
.../security/signature/jws2020/Jws2020ProofDraft.java	83.33%	4 Missing and 1 partial ⚠️
...urity/signature/jws2020/Jws2020SignatureSuite.java	75.00%	2 Missing and 3 partials ⚠️
...dc/verifiablecredentials/linkeddata/LdpIssuer.java	72.72%	3 Missing ⚠️
...iablecredentials/linkeddata/DidMethodResolver.java	0.00%	2 Missing ⚠️
...se/edc/security/signature/jws2020/JsonAdapter.java	33.33%	2 Missing ⚠️
... and 2 more

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4125      +/-   ##
==========================================
+ Coverage   71.74%   74.70%   +2.95%     
==========================================
  Files         919      986      +67     
  Lines       18457    20305    +1848     
  Branches     1037     1148     +111     
==========================================
+ Hits        13242    15168    +1926     
+ Misses       4756     4636     -120     
- Partials      459      501      +42     

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