Updated Upstream (Purpur)

Upstream has released updates that appear to apply and compile correctly

Purpur Changes:
PurpurMC/Purpur@005a519 Updated Upstream (Paper)
PurpurMC/Purpur@e5a5f22 Fix sign color codes (#1408)

gradle.properties

@@ -1,7 +1,7 @@
 group = org.graphitemc.graphite
 version = 1.20.1-R0.1-SNAPSHOT
 
-purpurCommit = 41ab912b5bcccecb3e8a85124369006bd673b718
+purpurCommit = e5a5f228f324d3983d5a8596311faee98f792ad3
 
 org.gradle.caching = true
 org.gradle.parallel = true