Merge branch '2.1.x'

Closes gh-16746

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -1756,6 +1756,11 @@
 				<artifactId>connect-api</artifactId>
 				<version>${kafka.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.apache.kafka</groupId>
+				<artifactId>connect-basic-auth-extension</artifactId>
+				<version>${kafka.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.apache.kafka</groupId>
 				<artifactId>connect-file</artifactId>
@@ -1791,6 +1796,21 @@
 				<artifactId>kafka-streams</artifactId>
 				<version>${kafka.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.apache.kafka</groupId>
+				<artifactId>kafka-streams-scala_2.11</artifactId>
+				<version>${kafka.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.apache.kafka</groupId>
+				<artifactId>kafka-streams-scala_2.12</artifactId>
+				<version>${kafka.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.apache.kafka</groupId>
+				<artifactId>kafka-streams-test-utils</artifactId>
+				<version>${kafka.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.apache.kafka</groupId>
 				<artifactId>kafka-tools</artifactId>