Update tree-sitter requirement from 0.19 to 0.20 in /ruby/extractor#4

dependabot[bot] wants to merge 1 commit intomainrdmarsh2/ql:mainfrom

dependabot/cargo/ruby/extractor/tree-sitter-0.20rdmarsh2/ql:dependabot/cargo/ruby/extractor/tree-sitter-0.20Copy head branch name to clipboard