refactor: rename SSL AEAD implementation to RecordProtection #31

Job	Run time
Determine toolchains	5s
cargo clippy (windows-2025, stable)	2m 41s
cargo clippy (macos-15, 1.90.0)	2m 42s
cargo clippy (windows-2025, 1.90.0)	2m 39s
cargo clippy (macos-15, nightly)	2m 42s
cargo clippy (ubuntu-24.04, stable)	2m 41s
cargo clippy (windows-2025, nightly)	2m 40s
cargo clippy (macos-15, stable)	2m 43s
cargo clippy (ubuntu-24.04, 1.90.0)	2m 41s
cargo clippy (ubuntu-24.04, nightly)	2m 41s
	24m 15s

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