fix(IDX): unset runner permissions #22824

Job	Run time
Bazel Build All Config Check	0s
Bazel Build Fuzzers	5m 40s
Bazel Build Fuzzers AFL	5m 31s
Bazel Test All	30m 0s
Bazel Test macOS Intel	0s
Build IC	16m 11s
Cargo Build Release Linux	9s
Cargo Clippy Linux	8s
Python CI Tests	1m 48s
Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	21s
Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	23s
Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	22s
Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	22s
Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	23s
	1h 1m 18s

Provide feedback