Baseline-builder

- Fix 1.1.0 regression where configuration file may be missing

- CI: Switch to `svenstaro/upload-release-actionv2`
- Validation: Ensure Installomator labels are valid
- Build: Add support for mobileconfig-based inputs
- Generates a new mobileconfig next to pkg with suffix `-resolved.mobileconfig`
- ex. `ripeda.mobileconfig` -> `ripeda-resolved.mobileconfig`

- Add support for distribution packages.
- Allows for deployment through MDM without munki or other package management solutions.
- Reference: [Mobile Device Management Protocol Reference: macOS App Installation](https://developer.apple.com/business/documentation/MDM-Protocol-Reference.pdf)
- Requires macos-pkg-builder 1.0.8 or newer.

- Add support for fetching Baseline from branches instead of releases.
- Allows for easy testing of Baseline changes before they are merged into `main` or have a release associated.
- Pass `branch: <branch_name>` to `baseline_version` parameter.
- ex. `baseline_version="branch: 2.0-beta1"`

- Switch to logging module for printing
- To be configured by the calling script
- Add package signing support
- New `signing_identity` parameter passed to `macos_pkg_builder`

- Add support for API token authentication for GitHub
- Environment variable `GITHUB_TOKEN` will be used if present