Bump @angular/compiler from 20.3.5 to 20.3.15 in /samples/client/petstore/typescript-angular-v20-provided-in-root #151

Job	Run time
Build projects (20.x, samples/client/others/typescript-angular-v20/)	1m 27s
Build projects (20.x, samples/client/petstore/typescript-angular-v16-provided-in-root/)	1m 35s
Build projects (20.x, samples/client/petstore/typescript-angular-v17-provided-in-root/)	1m 36s
Build projects (20.x, samples/client/others/typescript-angular/)	1m 6s
Build projects (20.x, samples/client/petstore/typescript-angular-v20-provided-in-root/)	1m 4s
Build projects (20.x, samples/client/petstore/typescript-axios/builds/with-npm-version/)	43s
Build projects (20.x, samples/client/petstore/typescript-fetch/tests/default/)	1m 8s
Build projects (20.x, samples/client/petstore/typescript-angular-v19-provided-in-root/)	1m 56s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/es6-target/)	42s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/jquery/)	39s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/default/)	48s
Build projects (20.x, samples/client/petstore/typescript-rxjs/builds/with-npm-version/)	54s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/browser/)	42s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/default/)	36s
Build projects (20.x, samples/client/petstore/typescript-angular-v18-provided-in-root/)	1m 52s
Build projects (20.x, samples/client/petstore/typescript-fetch/builds/with-npm-version/)	47s
Build projects (20.x, samples/openapi3/client/petstore/typescript/builds/object_params/)	50s
	18m 25s

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