API Update and workflow fix

TerminatorPlus-API/build.gradle.kts

@@ -17,6 +17,6 @@ repositories {
 }
 
 dependencies {
-    compileOnly("io.papermc.paper:paper-api:1.19.3-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.20.4-R0.1-SNAPSHOT")
     compileOnly("com.mojang:authlib:3.2.38")
 }

TerminatorPlus-API/src/main/java/net/nuggetmc/tplus/api/agent/legacyagent/LegacyMats.java

@@ -31,7 +31,7 @@ public class LegacyMats {
         Material.VINE,
         Material.FERN,
         Material.LARGE_FERN,
-        Material.GRASS,
+        Material.SHORT_GRASS,
         Material.TALL_GRASS,
         Material.SEAGRASS,
         Material.TALL_SEAGRASS,
@@ -207,7 +207,7 @@ public class LegacyMats {
     
     public static final Set<Material> INSTANT_BREAK = new HashSet<>(concatTypes(Lists.newArrayList(
         Material.TALL_GRASS,
-        Material.GRASS,
+        Material.SHORT_GRASS,
         Material.FERN,
         Material.LARGE_FERN,
         Material.KELP_PLANT,