Patching Git modules without version

I'm attempting to patch a package distributed via Git ([Antora's default UI](https://gitlab.com/antora/antora-ui-default)) that doesn't have a version number in its `package.json`. Not terribly surprisingly, `patch-package` isn't thrilled about this:

```
...\node_modules\patch-package\dist\makePatch.js:395
throw e;
^

TypeError: Cannot read properties of undefined (reading 'replace')
at Object.getPackageVersion (...\node_modules\patch-package\dist\getPackageVersion.js:6:51)
at Object.makePatch (...\node_modules\patch-package\dist\makePatch.js:111:52)
at ...\node_modules\patch-package\dist\index.js:72:25
at Array.forEach ()
at Object. (...\node_modules\patch-package\dist\index.js:71:22)
at Module._compile (node:internal/modules/cjs/loader:1256:14)
at Module._extensions..js (node:internal/modules/cjs/loader:1310:10)
at Module.load (node:internal/modules/cjs/loader:1119:32)
at Module._load (node:internal/modules/cjs/loader:960:12)
at Module.require (node:internal/modules/cjs/loader:1143:19)

Node.js v18.18.0
```

I've attempted explicitly installing the package by commit ID to no avail. Am I missing something, or is this currently not supported?

If not, I'd like to request that support be added. I'd expect `patch-package` to patch against the current "version" (in this case, the provided or default Git branch) if no version information is available.