Add esp32s2 to no CAS list #2399

Job	Run time
cargo minimal-versions build	29s
cargo +1.36 build (futures-{core, io, sink})	3m 7s
cargo +stable build	39s
cargo test (ubuntu-latest)	2m 54s
cargo +beta build	41s
cargo +1.56 build	2m 1s
cargo test (macos-latest)	5m 38s
cargo +nightly build	41s
cargo bench	1m 5s
cargo test (windows-latest)	4m 15s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	3m 16s
codegen	25s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	6m 17s
cargo doc	20s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	6m 24s
cargo hack check --feature-powerset	3m 21s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	3m 18s
cargo fmt	5s
cargo miri test	7m 6s
cargo build --target thumbv7m-none-eabi	30s
cargo test -Z sanitizer=address	2m 48s
cargo build --target thumbv6m-none-eabi	27s
cargo test -Z sanitizer=memory	3m 20s
cargo test -Z sanitizer=thread	2m 4s
	1h 1m 11s

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