chore: disable certain Clippy lints
chore: disable certain Clippy lints

Disable Clippy lints for `cyclomatic_complexity`, and
`suspicious_else_formatting`. They were being triggered by auto-generated Serde
code.

mthjones/rusoto,mattico/rusoto,mattico/rusoto,DualSpark/rust-aws,mthjones/rusoto,DualSpark/rusoto,DualSpark/rust-aws,noggleboggle/rusoto,cmsd2/rusoto,DualSpark/rust-aws,mattico/rusoto,indiv0/rusoto,rusoto/rusoto,SecurityInsanity/rusoto,SecurityInsanity/rusoto,DualSpark/rusoto,rusoto/rusoto,DualSpark/rusoto,ford-prefect/rusoto,rusoto/rusoto,ford-prefect/rusoto