Switch from javax.servlet to jakarta.servlet.

pom.xml

@@ -49,9 +49,9 @@
       <version>33.4.0-jre</version>
     </dependency>
     <dependency>
-      <groupId>javax.servlet</groupId>
-      <artifactId>servlet-api</artifactId>
-      <version>2.5</version>
+      <groupId>jakarta.servlet</groupId>
+      <artifactId>jakarta.servlet-api</artifactId>
+      <version>6.0.0</version>
       <scope>provided</scope>
     </dependency>
   </dependencies>

src/main/java/com/threerings/servlet/util/FlashVarBuilder.java

@@ -7,7 +7,7 @@ package com.threerings.servlet.util;
 
 import java.util.Map;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 
 import com.google.common.collect.Maps;
 

src/main/java/com/threerings/servlet/util/Parameters.java

@@ -9,7 +9,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.Set;
-import javax.servlet.ServletRequest;
+import jakarta.servlet.ServletRequest;
 
 import com.google.common.base.Function;
 import com.google.common.base.Preconditions;

src/main/java/com/threerings/servlet/util/QueryBuilder.java

@@ -8,7 +8,7 @@ package com.threerings.servlet.util;
 import java.util.Collection;
 import java.util.Map;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 
 import com.google.common.collect.ArrayListMultimap;
 import com.google.common.collect.Iterables;