workflows: Refactor yml to improve build time (#335)
workflows: Refactor yml to improve build time (#335)

* workflows: Refactor yml to improve build time and reduce size

- Split out the build configuration job
- Use the official sstate mirror
- Disable more of unnecessary features

Signed-off-by: Anatol Belski <da4a7f4c3a28510d880ca41f733c20ca5471769d@linux.microsoft.com>
meta-rust/meta-rust,meta-rust/meta-rust,meta-rust/meta-rust,meta-rust/meta-rust,meta-rust/meta-rust