Normalize plugin loader

lib/plugin/factory.js

@@ -8,7 +8,7 @@ import GitLab from './gitlab/GitLab.js';
 import GitHub from './github/GitHub.js';
 import npm from './npm/npm.js';
 
-const require = createRequire(import.meta.url);
+const requireCwd = createRequire(process.cwd());
 
 const debug = _debug('release-it:plugins');
 
@@ -25,11 +25,17 @@ const plugins = {
 const load = async pluginName => {
   let plugin = null;
   try {
-    const module = await import(require.resolve(pluginName));
+    const module = await import(pluginName);
     plugin = module.default;
   } catch (err) {
-    const module = await import(require.resolve(path.resolve(pluginName)));
-    plugin = module.default;
+    try {
+      const module = await import(path.join(process.cwd(), pluginName));
+      plugin = module.default;
+    } catch (err) {
+      // In some cases or tests we might need to support "directory imports" (legacy `require`)
+      const module = await import(requireCwd.resolve(path.join(process.cwd(), pluginName)));
+      plugin = module.default;
+    }
   }
   return [path.parse(pluginName).name, plugin];
 };