slugify lockname in generator

[firstof9]

Proposed change

Slugify lockname in generator for proper entity formatting

Type of change

• [ ] Dependency upgrade
• [x] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (which adds functionality)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests

Additional information

• This PR is related to issue: #231

[codecov-commenter]

Codecov Report

Merging #244 (d0f3cec) into main (a1e9f11) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #244      +/-   ##
==========================================
+ Coverage   88.62%   88.64%   +0.01%     
==========================================
  Files          10       10              
  Lines         985      986       +1     
==========================================
+ Hits          873      874       +1     
  Misses        112      112              

Impacted Files	Coverage Δ
custom_components/keymaster/services.py	85.80% <100.00%> (+0.08%)	:arrow_up: