fix: Jwt vc parse validation

Author: azuzi

src/main/java/com/danubetech/verifiablecredentials/jwt/JwtVerifiableCredential.java

@@ -29,7 +29,7 @@ public static JwtVerifiableCredential fromCompactSerialization(String compactSer
 		if (jsonObject == null) return null;
 
 		VerifiableCredential payloadVerifiableCredential = VerifiableCredential.fromJsonObject(new LinkedHashMap<>(jsonObject));
-
+		if(!payloadVerifiableCredential.getContexts().contains(VerifiableCredential.DEFAULT_JSONLD_CONTEXTS[0])) throw new ParseException("The 'vc' claim must contain the default context v1",0);
 		return new JwtVerifiableCredential(jwtPayload, payloadVerifiableCredential, signedJWT, compactSerialization);
 	}
 }

src/main/java/com/danubetech/verifiablecredentials/jwt/JwtVerifiableCredentialV2.java

@@ -30,7 +30,7 @@ public static JwtVerifiableCredentialV2 fromCompactSerialization(String compactS
 		if (jsonObject == null) return null;
 
 		VerifiableCredentialV2 payloadVerifiableCredential = VerifiableCredentialV2.fromJsonObject(new LinkedHashMap<>(jsonObject));
-
+		if(!payloadVerifiableCredential.getContexts().contains(VerifiableCredentialV2.DEFAULT_JSONLD_CONTEXTS[0])) throw new ParseException("The 'vc' claim must contain the default context v2",0);
 		return new JwtVerifiableCredentialV2(jwtPayload, payloadVerifiableCredential, signedJWT, compactSerialization);
 	}
 }