Error::UnsupportedCertVersion instead of BadDER on certificate v1

[stepancheg]

No description provided.

[codecov]

Codecov Report

Merging #184 (70d2d4a) into main (07306a6) will increase coverage by 0.45%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #184      +/-   ##
==========================================
+ Coverage   71.32%   71.78%   +0.45%     
==========================================
  Files          15       16       +1     
  Lines        1395     1414      +19     
==========================================
+ Hits          995     1015      +20     
+ Misses        400      399       -1     

Impacted Files	Coverage Δ
src/cert.rs	95.93% <100.00%> (+0.13%)	⬆️
src/trust_anchor.rs	98.41% <100.00%> (ø)
tests/cert_v1_unsupported.rs	100.00% <100.00%> (ø)
src/name/verify.rs	4.14% <0.00%> (+0.02%)	⬆️
src/der.rs	91.47% <0.00%> (+0.87%)	⬆️

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[briansmith]

LGTM. Please append a blank line and then contributor's license statement "I agree to license my contributions to each file under the terms given at the top of each file I changed." to the commit message body (not the pull request summary).

[stepancheg]

Updated the commit message.

[stepancheg]

Updated the PR to do peek to avoid incorrectly reporting UnsupportedCertVersion on malformed DER, as pointed out in a comment in another PR.

[stepancheg]

Reverted to the previous version and update the field documentation.

[briansmith]

Thanks!