Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9228)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
4727d326 Don't let Sign extend SignSide, mark API as experimental
9b29bdcc PR-845: Add preliminary support for multi sided signs

CraftBukkit Changes:
b346a5f6d PR-1170: Add preliminary support for multi sided signs
86c816189 Update SQLite version
d9324b4bc Fix addition of custom smithing trim / transform recipes

Spigot Changes:
7d7b241e Rebuild patches

patches/server/0004-Test-changes.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Test changes
 
 
 diff --git a/build.gradle.kts b/build.gradle.kts
-index d77f15c58f41f1e00c75e0a022919bb7dacc9926..0d04c3af92f7d4e63b1178247e493174cedd9178 100644
+index ac679b0a66ce9676937a9971bf3ee2a935dd9acb..e0724559c70b5967123010e898e66e757b2b1b58 100644
 --- a/build.gradle.kts
 +++ b/build.gradle.kts
 @@ -12,6 +12,7 @@ dependencies {
@@ -14,7 +14,7 @@ index d77f15c58f41f1e00c75e0a022919bb7dacc9926..0d04c3af92f7d4e63b1178247e493174
      implementation("org.ow2.asm:asm-commons:9.4") // Paper - ASM event executor generation
 +    testImplementation("org.mockito:mockito-core:4.9.0") // Paper - switch to mockito
      implementation("commons-lang:commons-lang:2.6")
-     runtimeOnly("org.xerial:sqlite-jdbc:3.41.0.0")
+     runtimeOnly("org.xerial:sqlite-jdbc:3.41.2.2")
      runtimeOnly("com.mysql:mysql-connector-j:8.0.32")
 diff --git a/src/test/java/io/papermc/paper/testing/DummyServer.java b/src/test/java/io/papermc/paper/testing/DummyServer.java
 new file mode 100644