Drop Go updatecli policy #6119

Job	Run time
coverage-rust	26m 30s
Shellcheck	6s
Detect changes	8s
Helm unittest	9s
Spelling check	9s
Check if the generated code is up to date	9m 51s
Validate Hauler manifest	-1s
Check if the kwctl reference documentation is up to date	-1s
Build kwctl	-1s
Calculate crates matrix	-1s
Golangci-lint	-1s
Check kwctl (${{ matrix.os }})	-1s
Go tests	-1s
Go e2e tests	-1s
E2E tests (kwctl)	0s
E2E tests sigstore (kwctl)	0s
Rustfmt (${{ matrix.crate }})	0s
Integration tests (policy-server)	0s
E2E tests sigstore (policy-server)	0s
E2E tests (burrego)	0s
Clippy (${{ matrix.crate }})	0s
Integration tests (policy-evaluator)	0s
Unit tests (${{ matrix.crate }})	0s
CI Success	2s
	36m 47s

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