perf: Make server action pass use `Atom` instead of `String` #53514

Job	Run time
validate-docs-links	13s
Determine changes	7s
optimize-ci / Graphite CI Optimizer	4s
build-native / build	5m 47s
build-next / build	27s
build-native-windows / build	12m 3s
test devlow package	0s
test unit (18) / build	6m 29s
test unit (20) / build	6m 41s
test cargo benches	0s
ast-grep lint	11s
test next-swc wasm	0s
test next-swc wasi	0s
rustdoc check / build	2m 1s
rust check / build	3m 58s
test cargo unit / build	9m 18s
Run devlow benchmarks	0s
test turbopack dev	0s
test turbopack development integration	0s
Test new tests for flakes (dev)	0s
test turbopack production	0s
test turbopack production integration	0s
test dev	0s
Test new tests for flakes (prod)	0s
test firefox and safari	0s
test integration	0s
test prod	0s
test ppr dev	0s
test ppr integration	0s
test ppr prod	0s
types and precompiled / build	53s
lint / build	1m 55s
Test new tests when deployed	0s
report test results to datadog	32s
test dev windows	0s
test integration windows	0s
test prod windows	0s
test unit windows (18) / build	14m 8s
test unit windows (20) / build	3m 23s
thank you, next	1s
	1h 8m 11s

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