Unify clap `value_name` case (#1257) #1277

Job	Run time
Generate shell completion files	6m 27s
Build the CLI binary (x86_64-unknown-linux-gnu, ubuntu-20.04)	15m 33s
Build the CLI binary (aarch64-unknown-linux-gnu, self-hosted, linux, arm64)	7m 32s
Build the CLI binary (x86_64-apple-darwin, macos-latest)	24m 51s
Build the CLI binary (aarch64-apple-darwin, self-hosted, macos, arm64)	2m 24s
Build the release artifacts	1m 30s
Create release from tag	0s
Update the documentation	0s
	58m 17s

Provide feedback