refactor: use TS5.3 syntax for json import (#998)

Signed-off-by: Jan Kowalleck <[email protected]>

Author: jkowalleck

src/spdx.ts

@@ -20,7 +20,7 @@ Copyright (c) OWASP Foundation. All Rights Reserved.
 import * as spdxExpressionParse from 'spdx-expression-parse'
 
 /* @ts-expect-error: TS6059 -- this works as long as the file/path is available in dist-package. */
-import { enum as _spdxSpecEnum } from '../res/schema/spdx.SNAPSHOT.schema.json' assert {type: 'json'}
+import { enum as _spdxSpecEnum } from '../res/schema/spdx.SNAPSHOT.schema.json' with { type: 'json' }
 
 /**
  * One of the known SPDX licence identifiers.