Upgrade jsoup to 1.16.2 (#3296)

## Motivation and Context
Upgrades `jsoup` to 1.16.2, a version that we know is supported
internally.

----

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aws/sdk-codegen/build.gradle.kts

@@ -23,7 +23,7 @@ val smithyVersion: String by project
 dependencies {
     implementation(project(":codegen-core"))
     implementation(project(":codegen-client"))
-    implementation("org.jsoup:jsoup:1.15.3")
+    implementation("org.jsoup:jsoup:1.16.2")
     implementation("software.amazon.smithy:smithy-aws-traits:$smithyVersion")
     implementation("software.amazon.smithy:smithy-protocol-test-traits:$smithyVersion")
     implementation("software.amazon.smithy:smithy-rules-engine:$smithyVersion")

codegen-core/build.gradle.kts

@@ -23,7 +23,7 @@ val smithyVersion: String by project
 
 dependencies {
     implementation(kotlin("stdlib-jdk8"))
-    implementation("org.jsoup:jsoup:1.15.3")
+    implementation("org.jsoup:jsoup:1.16.2")
     api("software.amazon.smithy:smithy-codegen-core:$smithyVersion")
     api("com.moandjiezana.toml:toml4j:0.7.2")
     implementation("software.amazon.smithy:smithy-aws-traits:$smithyVersion")