chore: bump the pinned Perry to 23a211383 (lands #8948 — Linux throw/catch across modules)

[proggeramlug]

Why

Two Linux-only Perry defects sat behind #8546 once the class-registry fix landed; both are on Perry main now:

Perry PR	defect	effect
#8942	promoted string constants named .str.N per module → strong GLOBAL duplicates across split modules under GNU ld (on macOS ld64 silently merged different modules' strings — a latent miscompile); Perry's Linux dylib link lacked -lm	the fixture links
#8948	gc_map.rs's compact stack-map rewrite swallowed .hidden/.weak on DW.ref.perry_eh_personality; GNU ld kept one COMDAT group and dropped the other objects' references → 59/60 CIEs with junk personality pointers → every caught throw in a multi-module Linux program faulted in _Unwind_RaiseException	the fixture initialises and serves

perry-main.lock: 504013308 → 23a211383. Toolchain parity (nightly-2026-08-20) and rusqlite 0.39 unchanged.

Verification — Linux (Ubuntu 24.04, 16 cores, Perry built from 23a211383, production link flags, clean object cache)

Fixture compile 263 s. Harness as in #18/#19 (COOP_BENCH_REQUEST_PATH=/api/benchmark COOP_BENCH_EXPECT_BODY=checksum COOP_BENCH_EXECUTION_MODE=in_process):

run	result
1 app	200
3 apps, preload_concurrency=1	200 / 200 / 200
3 apps, preload_concurrency=4	200 / 200 / 200
2 apps, PERRY_GC_SCHEDULE_SEED=12345 PERRY_GC_SCHEDULE_RATE=0.5 PERRY_GC_PROTECT_FROMSPACE=1	200 / 200, no fault

Every body: {"runtime":"next","iterations":100,"checksum":3726872593}. This is the first time the Next fixture has served on Linux at all.

Verification — macOS

Same pin, providers rebuilt with the ext-wrapper step, fixture compile 557 s (M1, host shared with other work):

run	result
1 app	200
3 apps, preload_concurrency=1	200 / 200 / 200
3 apps, preload_concurrency=4	200 / 200 / 200
2 apps, from-space instrumented (seed 12345, rate 0.5)	200 / 200, no fault

Both platforms now agree, which closes perry#8546 end to end.

https://claude.ai/code/session_01UZJbhb2FTuakurTHPAKQgd

[coderabbitai]

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