[BUGFIX] fix vars for role names

[teej]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 95.65217% with 2 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
titan/resources/resource.py	96.15%	1 Missing ⚠️
titan/role_ref.py	75.00%	1 Missing ⚠️

Files with missing lines	Coverage Δ
tests/test_blueprint.py	100.00% <100.00%> (ø)
tests/test_vars.py	100.00% <100.00%> (ø)
titan/blueprint.py	88.91% <100.00%> (+0.08%)	⬆️
titan/resources/grant.py	91.73% <ø> (-0.07%)	⬇️
titan/resources/resource.py	84.96% <96.15%> (+0.23%)	⬆️
titan/role_ref.py	80.00% <75.00%> (+5.00%)	⬆️

... and 1 file with indirect coverage changes