fix: change spec and component type option to string

BREAKING CHANGE: default spec version is now 1.6 and component type as
well as spec version can now be configured via a string instead of
passing an enum value.

src/index.ts

@@ -12,6 +12,7 @@ import {
 } from "./helpers";
 import { registerPackageUrlOnComponent, registerTools } from "./builder";
 import { DEFAULT_OPTIONS, RollupPluginSbomOptions } from "./options";
+import type { ComponentType } from "@cyclonedx/cyclonedx-library/Enums";
 
 /**
  * Plugin identifier for {@link rollupPluginSbom}
@@ -68,7 +69,10 @@ export default function rollupPluginSbom(userOptions?: RollupPluginSbomOptions):
                 try {
                     const rootPkg = await getPackageJson(process.cwd());
                     if (rootPkg) {
-                        bom.metadata.component = cdxComponentBuilder.makeComponent(rootPkg, options.rootComponentType);
+                        bom.metadata.component = cdxComponentBuilder.makeComponent(
+                            rootPkg,
+                            options.rootComponentType as ComponentType,
+                        );
                         bom.metadata.component.version = rootPkg.version;
                         registerPackageUrlOnComponent(bom.metadata.component, cdxPurlFactory);
                     }

src/options.ts

@@ -9,11 +9,11 @@ export interface RollupPluginSbomOptions {
     /**
      * Specification version to use, defaults to {@link Spec.Spec1dot6}
      */
-    specVersion?: Spec.Version;
+    specVersion?: `${Spec.Version}`;
     /**
      * Defaults to Application
      */
-    rootComponentType?: Enums.ComponentType;
+    rootComponentType?: `${Enums.ComponentType}`;
     /**
      * Output directory to use, defaults to `"cyclonedx"`.
      * Note: you don't need to prefix the build output path as the plugin