Update to 1.21.8

No serverside changes, so this is pretty much just a Paper upstream.

Author: Spottedleaf

folia-server/build.gradle.kts.patch

@@ -49,7 +49,7 @@
      implementation("ca.spottedleaf:concurrentutil:0.0.3")
      implementation("org.jline:jline-terminal-ffm:3.27.1") // use ffm on java 22+
      implementation("org.jline:jline-terminal-jni:3.27.1") // fall back to jni on java 21
-@@ -205,14 +_,14 @@
+@@ -201,14 +_,14 @@
          val gitBranch = git.exec(providers, "rev-parse", "--abbrev-ref", "HEAD").get().trim()
          attributes(
              "Main-Class" to "org.bukkit.craftbukkit.Main",
@@ -68,7 +68,7 @@
              "Build-Number" to (build ?: ""),
              "Build-Time" to buildTime.toString(),
              "Git-Branch" to gitBranch,
-@@ -376,7 +_,7 @@
+@@ -372,7 +_,7 @@
  }
 
  fill {