Bump version to 4.2.1 for release

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

api/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <artifactId>openinvparent</artifactId>
     <groupId>com.lishid</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1</version>
   </parent>
 
   <artifactId>openinvapi</artifactId>

assembly/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvparent</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1</version>
   </parent>
 
   <artifactId>openinvassembly</artifactId>

internal/v1_18_R2/pom.xml

@@ -23,7 +23,7 @@
     <artifactId>openinvparent</artifactId>
     <groupId>com.lishid</groupId>
     <relativePath>../../pom.xml</relativePath>
-    <version>4.2.0</version>
+    <version>4.2.1</version>
   </parent>
 
   <artifactId>openinvadapter1_18_R2</artifactId>

internal/v1_19_R1/pom.xml

@@ -23,7 +23,7 @@
     <artifactId>openinvparent</artifactId>
     <groupId>com.lishid</groupId>
     <relativePath>../../pom.xml</relativePath>
-    <version>4.2.0</version>
+    <version>4.2.1</version>
   </parent>
 
   <artifactId>openinvadapter1_19_R1</artifactId>
@@ -32,7 +32,7 @@
   <properties>
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
-    <spigot.version>1.19-R0.1-SNAPSHOT</spigot.version>
+    <spigot.version>1.19.1-R0.1-SNAPSHOT</spigot.version>
   </properties>
 
   <dependencies>

plugin/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <artifactId>openinvparent</artifactId>
     <groupId>com.lishid</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1</version>
   </parent>
 
   <artifactId>openinvplugincore</artifactId>

pom.xml

@@ -21,7 +21,7 @@
   <artifactId>openinvparent</artifactId>
   <name>OpenInv</name>
   <url>http://dev.bukkit.org/bukkit-plugins/openinv/</url>
-  <version>4.2.0</version>
+  <version>4.2.1</version>
 
   <packaging>pom</packaging>
 
@@ -83,13 +83,13 @@
         <artifactId>openinvapi</artifactId>
         <groupId>com.lishid</groupId>
         <scope>compile</scope>
-        <version>4.2.0</version>
+        <version>4.2.1</version>
       </dependency>
       <dependency>
         <artifactId>openinvplugincore</artifactId>
         <groupId>com.lishid</groupId>
         <scope>compile</scope>
-        <version>4.2.0</version>
+        <version>4.2.1</version>
         <exclusions>
           <exclusion>
             <groupId>com.lishid</groupId>
@@ -145,7 +145,7 @@
         <plugin>
           <artifactId>maven-assembly-plugin</artifactId>
           <groupId>org.apache.maven.plugins</groupId>
-          <version>3.3.0</version>
+          <version>3.4.2</version>
         </plugin>
 
         <plugin>