fix(cli.rs): fix tauri info panic when a package isn't installed, closes #3985

[amrbashir]

What kind of change does this PR introduce?

• Bugfix
• Feature
• Docs
• New Binding issue #___
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change?

• Yes, and the changes were approved in issue #___
• No

Checklist

• When resolving issues, they are referenced in the PR's title (e.g fix: remove a typo, closes #___, #___)
• A change file is added if any packages will require a version bump due to this PR per the instructions in the readme.
• I have added a convincing reason for adding this feature, if necessary

Other information

[FabianLars]

It panics even earlier now

❯ cargo tauri info

Environment
  › OS: Windows 10.0.19044 X64
  › Webview2: 100.0.1185.50
  › MSVC:
      - Visual Studio Build Tools 2022
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error("unexpected end of input while parsing major version number")', src\info.rs:529:81
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
  › Node.js: 16.15.0