Add esp32s2 to no CAS list #2397

Job	Run time
codegen	24s
cargo +stable build	43s
cargo +1.36 build (futures-{core, io, sink})	3m 3s
cargo bench	48s
cargo +beta build	43s
cargo +nightly build	42s
cargo doc	18s
cargo hack check --feature-powerset	3m 3s
cargo minimal-versions build	29s
cargo fmt	7s
cargo miri test	7m 24s
cargo build --target thumbv7m-none-eabi	34s
cargo test -Z sanitizer=address	2m 48s
cargo test (ubuntu-latest)	3m 5s
cargo +1.56 build	2m 13s
cargo build --target thumbv6m-none-eabi	31s
cargo test -Z sanitizer=memory	3m 20s
cargo test (macos-latest)	5m 20s
cargo test -Z sanitizer=thread	2m 10s
cargo test (windows-latest)	4m 8s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	3m 22s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	6m 23s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	6m 37s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	3m 10s
	1h 1m 25s

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