Implement `from_seed_unchecked` for `Ed25519KeyPair` (#663) #1297

Job	Run time
apidiff (aws-lc-sys, branch)	2m 29s
bindgen-dependency (ubuntu-latest)	28s
apidiff (aws-lc-sys, published)	3m 0s
bindgen-fips-dependency (ubuntu-latest)	30s
clippy (aws-lc-rs, --features bindgen,unstable)	1m 22s
bindgen-dependency (macos-13)	43s
apidiff (aws-lc-fips-sys, branch)	2m 30s
bindgen-fips-dependency (macos-13)	42s
clippy (aws-lc-rs, --features bindgen,unstable,fips)	1m 41s
bindgen-dependency (macos-14-xlarge)	26s
apidiff (aws-lc-fips-sys, published)	3m 48s
bindgen-fips-dependency (macos-14-xlarge)	31s
clippy (aws-lc-rs, --no-default-features --features aws-lc-sys)	53s
bindgen-dependency (windows-latest)	1m 0s
apidiff (aws-lc-rs, branch)	2m 28s
bindgen-fips-dependency (windows-latest)	1m 6s
apidiff (aws-lc-rs, published)	3m 25s
dependency-review	21s
rustfmt	31s
udeps	8m 5s
metadata-checks	33s
Resolve the dependencies to the minimum SemVer version (aws-lc-rs)	56s
semver-checks	6m 56s
Resolve the dependencies to the minimum SemVer version (aws-lc-sys)	50s
Resolve the dependencies to the minimum SemVer version (aws-lc-fips-sys)	1m 9s
	46m 23s

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