Updated Upstream (Paper/Purpur)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@a24f9b20 1.21.6 dev
PaperMC/Paper@457a0a69 Bump version string and protocol version to 1.21.6 release
PaperMC/Paper@245b5473 Update base to 1.21.6
PaperMC/Paper@b28d77b3 Update Moonrise to 1.21.6
PaperMC/Paper@8318dcb7 Update DataConverter to 1.21.6-rc1

Purpur Changes:
PurpurMC/Purpur@b228e316 Updated Upstream (Paper)
PurpurMC/Purpur@d6562a57 make happy ghast takes-damage-from-water and always-drop-exp options work
PurpurMC/Purpur@08d989b6 inline import
PurpurMC/Purpur@61d7f559 Updated Upstream (Paper)
PurpurMC/Purpur@469a4de5 Merge branch 'ver/1.21.5' into ver/1.21.6

leaf-api/build.gradle.kts.patch

@@ -148,7 +148,7 @@
 @@ -185,7 +_,7 @@
          "https://jd.advntr.dev/text-logger-slf4j/$adventureVersion/",
          "https://javadoc.io/doc/org.slf4j/slf4j-api/$slf4jVersion/",
-         "https://logging.apache.org/log4j/2.x/javadoc/log4j-api/",
+         // "https://logging.apache.org/log4j/2.x/javadoc/log4j-api/", // TODO: Broken
 -        "https://javadoc.io/doc/org.apache.maven.resolver/maven-resolver-api/1.7.3",
 +        "https://javadoc.io/doc/org.apache.maven.resolver/maven-resolver-api/1.9.22", // Leaf - Bump Dependencies
      )

leaf-api/paper-patches/features/0013-Purpur-API-Changes.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Purpur API Changes
 Original license: MIT
 Original project: https://github.com/PurpurMC/Purpur
 
-Commit: a3c11d6845ae4a8b1cee0ee0d800e26adf5bfbff
+Commit: 469a4de5ce87dcf6461e067d29a88507231f4a6b
 
 Patches listed below are removed in this patch, They exists in Gale or Leaf:
 * "co/aikar/timings/TimedEventExecutor.java.patch"