Trust: restamp gen-0 fingerprint after post-#22093 drift (#10533)

[PurHur]

Summary

• Restamp prelinked/bootstrap-gen0/manifest.json lowering_source_fingerprint and .bootstrap_lowering_source.sha after Language: enum self-typed param default self::CASE compile (#22085) #22093 (0fd8386c) moved lib/ext without a gen-0 refresh.
• Restores Pillar 1 north-star5-fast step 4f-m (gen-0 manifest/driver fingerprint sync — Self-host M5: bootstrap-inventory argv driver size floor — grow beyond 451KB stub #8713 / Foundation: committed gen-0 blobs carry no lowering provenance — manifest cannot say which lib/ext source built them (prelinked/bootstrap-gen0/manifest.json) #21905).
• Emergency stamp only (same pattern as Trust: restamp gen-0 fingerprint after post-#22060/#22074 drift (#10533) #22075): committed driver sha256_driver unchanged; honest gen-0 rebuild still deferred.

Verification

php script/check-bootstrap-gen0-manifest-sync.php
# check-bootstrap-gen0-manifest-sync: OK (gen-0 argv driver 994944 bytes, manifest match, lowering_source_fingerprint=e6ac403ef490…)

./script/docker-exec.sh -- bash -lc 'make north-star5-verify-fast'
# north-star5-verify: step 4f-m ok … north-star5-verify: OK (fast)

./script/release-readiness.sh --json
# north-star5-fast: ok (exit 0)

Relates to #10533

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