feat: add --spec-version option to tier-check#176

felixweinberger merged 2 commits intomodelcontextprotocol:mainmodelcontextprotocol/conformance:mainfrom

DePasqualeOrg:fix/tier-check-spec-version-filterDePasqualeOrg/conformance:fix/tier-check-spec-version-filterCopy head branch name to clipboard