[ci skip] Scan built jars for bad method usages (#8051)

patches/server/Build-system-changes.patch

@@ -48,6 +48,24 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          )
          for (tld in setOf("net", "com", "org")) {
              attributes("$tld/bukkit", "Sealed" to true)
+@@ -0,0 +0,0 @@ tasks.shadowJar {
+     }
+ }
+ 
++// Paper start
++val scanJar = tasks.register("scanJarForBadCalls", io.papermc.paperweight.tasks.ScanJarForBadCalls::class) {
++    badAnnotations.add("Lio/papermc/paper/annotation/DoNotUse;")
++    jarToScan.set(tasks.shadowJar.flatMap { it.archiveFile })
++    classpath.from(configurations.compileClasspath)
++}
++tasks.check {
++    dependsOn(scanJar)
++}
++// Paper end
++
+ tasks.test {
+     exclude("org/bukkit/craftbukkit/inventory/ItemStack*Test.class")
+ }
 diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/craftbukkit/Main.java