[rust-axum] don't include quotes in output string from Display trait for string types #71

Job	Run time
Build projects (20.x, samples/client/others/typescript-angular/)	54s
Build projects (20.x, samples/client/petstore/typescript-angular-v16-provided-in-root/)	1m 54s
Build projects (20.x, samples/client/petstore/typescript-angular-v17-provided-in-root/)	2m 30s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/jquery/)	44s
Build projects (20.x, samples/client/petstore/typescript-angular-v18-provided-in-root/)	1m 33s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/default/)	41s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/es6-target/)	1m 27s
Build projects (20.x, samples/client/petstore/typescript-rxjs/builds/with-npm-version/)	1m 0s
Build projects (20.x, samples/client/petstore/typescript-angular-v20-provided-in-root/)	2m 53s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/object_params/)	56s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/browser/)	47s
Build projects (20.x, samples/client/petstore/typescript-angular-v19-provided-in-root/)	2m 14s
Build projects (20.x, samples/client/petstore/typescript-fetch/tests/default/)	1m 17s
Build projects (20.x, samples/client/petstore/typescript-axios/builds/with-npm-version/)	52s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/default/)	41s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/with-npm-version/)	52s
	21m 15s

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