fix(deps): update dependency @netlify/ipx to ^1.4.6 #2413

Job	Run time
setup	1m 3s
test (app-dir/index.test.ts)	18m 1s
test (app-dir/rsc-basic.test.ts)	5m 9s
test (app-dir/next-font.test.ts)	1m 27s
test (app-dir/root-layout.test.ts)	1m 28s
test (app-dir/rendering.test.ts)	3m 47s
test (app-dir/app-middleware.test.ts)	3m 2s
test (app-dir/app-edge.test.ts)	1m 27s
test (app-dir/asset-prefix.test.ts)	3m 24s
test (app-dir/trailingslash.test.ts)	3m 18s
test (app-dir/with-babel.test.ts)	3m 4s
test (app-dir/async-component-preload.test.ts)	1m 24s
Report appDir e2e test results	13s
	46m 47s

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