Rust

fix: remove extraneous padding in plain encoder #8698

Job	Run time
build-no-lock	5m 44s
Check Rust dependencies (cargo-deny)	32s
clippy	3m 3s
format	9s
linux-arm	5m 46s
linux-build (stable)	5m 46s
linux-build (nightly)	5m 45s
mac-build (stable)	5m 45s
MSRV Check - Rust v1.80.1	5m 45s
mac-build (nightly)	5m 45s
windows-build	5m 30s
	49m 30s

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