Improved checks on string interpolation

[bergel]

Finally got the behavior we wanted.

[github-actions]

Static code analyzer report

Output of the StaticLint.jl code analyzer. 🫵Want to contribute?🫵 RelationalAI Style Guide for Julia
Report creation time (UTC): (2024-08-07T09:31:52.991)

• Line 54, column 43: Suspicious string interpolation, use $(x) instead of $x. raicode/src/linting/extended_checks.jl
• Line 249, column 5: It is preferable to use tin(item,collection) instead of the Julia's in or ∈. raicode/src/linting/extended_checks.jl
• Line 292, column 13: It is preferable to use tin(item,collection) instead of the Julia's in or ∈. raicode/src/linting/extended_checks.jl
• Line 323, column 5: It is preferable to use thaskey(dict,key) instead of the Julia's haskey. raicode/src/linting/extended_checks.jl
• Line 377, column 5: It is preferable to use thaskey(dict,key) instead of the Julia's haskey. raicode/src/linting/extended_checks.jl
• Line 380, column 5: It is preferable to use thaskey(dict,key) instead of the Julia's haskey. raicode/src/linting/extended_checks.jl
• Line 381, column 5: It is preferable to use thaskey(dict,key) instead of the Julia's haskey. raicode/src/linting/extended_checks.jl
• Line 421, column 5: It is preferable to use thaskey(dict,key) instead of the Julia's haskey. raicode/src/linting/extended_checks.jl
• Line 518, column 5: It is preferable to use thaskey(dict,key) instead of the Julia's haskey. raicode/src/linting/extended_checks.jl
• Line 530, column 5: It is preferable to use thaskey(dict,key) instead of the Julia's haskey. raicode/src/linting/extended_checks.jl
  🚨In total, 10 rule violations and 0 PR reviewer recommendation are found over 2 Julia files🚨