Update dependency org.spigotmc:spigot-api to v1.19.4-R0.1-SNAPSHOT

Author: renovate[bot]

API/pom.xml

@@ -55,7 +55,7 @@
 		<dependency>
 			<groupId>org.spigotmc</groupId>
 			<artifactId>spigot-api</artifactId>
-			<version>1.12-R0.1-SNAPSHOT</version>
+			<version>1.19.4-R0.1-SNAPSHOT</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>