Update upstream CB

--- work/CraftBukkit
Submodule work/CraftBukkit 29737ccb..efd6cf55:
  > Only load legacy support data if something uses it

Spigot-Server-Patches/Add-CraftMagicNumbers.isSupportedApiVersion.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Add CraftMagicNumbers.isSupportedApiVersion()
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
-index 9fed3cd5d..9d4b76d4a 100644
+index 919892106..6a6e4fe48 100644
 --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 @@ -0,0 +0,0 @@ public final class CraftMagicNumbers implements UnsafeValues {

Spigot-Server-Patches/Implement-Paper-VersionChecker.patch

@@ -126,7 +126,7 @@ index 000000000..5deed3e25
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
-index 50a69e4cb..9fed3cd5d 100644
+index 1c719ec0e..919892106 100644
 --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 @@ -0,0 +0,0 @@ public final class CraftMagicNumbers implements UnsafeValues {

Spigot-Server-Patches/Timings-v2.patch

@@ -1768,7 +1768,7 @@ index e52ef47b7..3d90b3426 100644
          this.value = value;
      }
 diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
-index 1860fbb1b..50a69e4cb 100644
+index afe4004ff..1c719ec0e 100644
 --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 @@ -0,0 +0,0 @@ public final class CraftMagicNumbers implements UnsafeValues {

work/CraftBukkit

@@ -1 +1 @@
-Subproject commit 29737ccbd2a184f893f102618ac2b64261bff8d9
+Subproject commit efd6cf55fc925d15ba0961f2457e8ae5b88cc718