Updated Upstream (Bukkit/CraftBukkit/Spigot)

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:
d25437bc Update to Minecraft 1.18-pre8

CraftBukkit Changes:
5a39a236 Update to Minecraft 1.18-pre8

Spigot Changes:
7840c2af Update to Minecraft 1.18-pre8

patches/api/0001-Convert-project-to-Gradle.patch

@@ -101,7 +101,7 @@ index 0000000000000000000000000000000000000000..2ffdda3764d92227264dd4a1ef9bf473
 +}
 diff --git a/pom.xml b/pom.xml
 deleted file mode 100644
-index 8bc4d62002fded42985c2c25f7b7b558ddf25ba3..0000000000000000000000000000000000000000
+index c8947e43bcd83c51d79ebe5a110445bf1e5388b2..0000000000000000000000000000000000000000
 --- a/pom.xml
 +++ /dev/null
 @@ -1,262 +0,0 @@
@@ -112,7 +112,7 @@ index 8bc4d62002fded42985c2c25f7b7b558ddf25ba3..00000000000000000000000000000000
 -
 -    <groupId>org.spigotmc</groupId>
 -    <artifactId>spigot-api</artifactId>
--    <version>1.18-pre5-R0.1-SNAPSHOT</version>
+-    <version>1.18-pre8-R0.1-SNAPSHOT</version>
 -    <packaging>jar</packaging>
 -
 -    <name>Spigot-API</name>