Updated Upstream (Paper, Tuinity, & Airplane)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
8a29f5894 [Auto] Updated Upstream (Bukkit/CraftBukkit)
8756d232c Expose server protocol version (#5416)
4492bc4cc remove l4j class no longer in existence from preload list
be1370517 Updated Upstream (CraftBukkit) (#5484)
d560151ec Bump mysql-connector-java to 8.0.23 (Fixes #5473) (#5474)
61f400f11 Update log4j to 2.11.2 for JDK 9+ compat (#5400)
a98196585 Updated Upstream (Bukkit/CraftBukkit)
de138fac4 [Auto] Updated Upstream (Bukkit)
304a216ba [CI-SKIP] Ignore gitignore when adding files in automation
d8e384a16 [CI-SKIP] Drop `Allow PlayerEditBookEvent to fire for off hand` (#5471)

Tuinity Changes:
d5261ad29 Do not load chunks for getCubes by default
da9cf9828 Don't read neighbor chunk data off disk when converting chunks
a0aa5ab07 Do not load 1 radius neighbors for lighting
5ccfa52a2 Fix terrible patch times
af53d703a Stop large move vectors in player packet handling from killing the server
6e56ee735 Fix OBFHELPER for flushHeaderin RegionFile
995d05c1c Do not update TE's in generating chunks

Airplane Changes:
8de8e82a2 Update upstream (Tuinity)

patches/server/0026-Disable-outdated-build-check.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Disable outdated build check
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
-index d28088d510a4a40f3948f224a40a63de4645fa42..a471a3a4191872dae5da7e4f7b41de4491040d5d 100644
+index adf182b651ba8c7105483a4b18d1adfea37f91b9..326548230af7f64aabc8cdd1a1c804e734c9e0e0 100644
 --- a/src/main/java/org/bukkit/craftbukkit/Main.java
 +++ b/src/main/java/org/bukkit/craftbukkit/Main.java
-@@ -261,7 +261,7 @@ public class Main {
+@@ -260,7 +260,7 @@ public class Main {
                      System.setProperty(TerminalConsoleAppender.JLINE_OVERRIDE_PROPERTY, "false"); // Paper
                  }