Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@5613ed6d Provide env environment variable and copy spigots sys prop for overriding default repository
PaperMC/Paper@62b7f86d Avoid and discourage use of Maven Central as a CDN (#12689)
PaperMC/Paper@f5534cb7 [ci/skip] Run generators (#12691)

gradle.properties

@@ -2,7 +2,7 @@ group = org.purpurmc.purpur
 version = 1.21.6-R0.1-SNAPSHOT
 
 mcVersion = 1.21.6
-paperCommit = 8980ead7ea8dddf4a1a37de7fc5d0d6fe7f86a37
+paperCommit = f5534cb7c72733f193b535c9ff5eeacfae44992b
 
 org.gradle.configuration-cache = true
 org.gradle.caching = true

purpur-api/paper-patches/files/src/main/java/org/bukkit/plugin/java/LibraryLoader.java.patch

@@ -1,6 +1,6 @@
 --- a/src/main/java/org/bukkit/plugin/java/LibraryLoader.java
 +++ b/src/main/java/org/bukkit/plugin/java/LibraryLoader.java
-@@ -63,6 +_,7 @@
+@@ -66,6 +_,7 @@
          session.setTransferListener(new AbstractTransferListener() {
              @Override
              public void transferStarted(@NotNull TransferEvent event) {
@@ -8,7 +8,7 @@
                  logger.log(Level.INFO, "Downloading {0}", event.getResource().getRepositoryUrl() + event.getResource().getResourceName());
              }
          });
-@@ -88,6 +_,7 @@
+@@ -91,6 +_,7 @@
              // Paper end - plugin loader api
              return null;
          }
@@ -16,7 +16,7 @@
          logger.log(Level.INFO, "[{0}] Loading {1} libraries... please wait", new Object[]
              {
                  java.util.Objects.requireNonNullElseGet(desc.getPrefix(), desc::getName), desc.getLibraries().size() // Paper - use configured log prefix
-@@ -140,6 +_,7 @@
+@@ -143,6 +_,7 @@
              }
  
              jarFiles.add(url);