ci: allow write access to repo contents for publishing releases #654

Job	Run time
ci-data	6s
Compile native gem for x86_64-linux-musl	6m 37s
Compile native gem for aarch64-linux-musl	6m 20s
Compile native gem for aarch64-linux	5m 49s
Compile native gem for x86_64-darwin	5m 47s
Compile native gem for x86_64-linux	5m 30s
Compile native gem for x64-mingw-ucrt	5m 37s
Compile native gem for arm64-darwin	5m 56s
	41m 42s

Provide feedback