add taps type to hook class

[chengcyber]

Summary

Add taps type to hook class, make the following code works

const appliedPluginNames: Set<string> = new Set<string>(pluginHook.taps.map(x => x.name));

which also fixes #152

[linux-foundation-easycla]

The committers are authorized under a signed CLA.

• ✅ Cheng (3288a62)