Small fixes

[dlyr]

Add a method to print the actual automatically bound vertex attributes.
Add an optional border color to texture parameters.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 44.52%. Comparing base (c41c64f) to head (973aa19).
⚠️ Report is 1 commits behind head on release-candidate.

Additional details and impacted files

@@                  Coverage Diff                  @@
##           release-candidate    #1121      +/-   ##
=====================================================
+ Coverage              44.49%   44.52%   +0.03%     
=====================================================
  Files                    372      372              
  Lines                  28136    28152      +16     
=====================================================
+ Hits                   12519    12535      +16     
  Misses                 15617    15617              

Flag	Coverage Δ
integration	7.38% <0.00%> (-0.01%)	⬇️
unittests	42.73% <100.00%> (+0.03%)	⬆️

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