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fix(typescript-estree): Report duplicateextends caluse forinterface

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Original file line number	Diff line number	Diff line change
`@@ -3025,14 +3025,23 @@ export class Converter {`
`3025`	`3025`	`constinterfaceExtends:TSESTree.TSInterfaceHeritage[]=[];`
`3026`	`3026`
`3027`	`3027`	`for(constheritageClauseofinterfaceHeritageClauses){`
`3028`		`-if(heritageClause.token!==SyntaxKind.ExtendsKeyword){`
	`3028`	`+constisExtendsClause=`
	`3029`	`+heritageClause.token===SyntaxKind.ExtendsKeyword;`
	`3030`	`+`
	`3031`	`+if(!isExtendsClause){`
`3029`	`3032`	`this.#throwError(`
`3030`	`3033`	`heritageClause,`
`3031`	`3034`	`heritageClause.token===SyntaxKind.ImplementsKeyword`
`3032`	`3035`	`?"Interface declaration cannot have 'implements' clause."`
`3033`	`3036`	`:'Unexpected token.',`
`3034`	`3037`	`);`
`3035`	`3038`	`}`
	`3039`	`+if(isExtendsClause&&interfaceExtends.length!==0){`
	`3040`	`+this.#throwUnlessAllowInvalidAST(`
	`3041`	`+heritageClause,`
	`3042`	`+"'extends' clause already seen.",`
	`3043`	`+);`
	`3044`	`+}`
`3036`	`3045`
`3037`	`3046`	`for(constheritageTypeofheritageClause.types){`
`3038`	`3047`	`interfaceExtends.push(`

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