MINOR: Update 3.9.1 versions (apache#19756)

Following release process guide:
https://cwiki.apache.org/confluence/display/KAFKA/Release+Process#ReleaseProcess-Afterthevotepasses

```
Update version on the branch to 0.10.0.1-SNAPSHOT in the following places:

    docs/js/templateData.js
    gradle.properties
    kafka-merge-pr.py
    streams/quickstart/java/pom.xml
    streams/quickstart/java/src/main/resources/archetype-resources/pom.xml
    streams/quickstart/pom.xml
    tests/kafkatest/__init__.py (note: this version name can't follow the -SNAPSHOT convention due to python version naming restrictions, instead update it to 0.10.0.1.dev0)

    tests/kafkatest/version.py
```

Reviewers: Chia-Ping Tsai <[email protected]>, TengYao Chi <[email protected]>

Author: showuon

docs/js/templateData.js

@@ -19,6 +19,6 @@ limitations under the License.
 var context={
     "version": "39",
     "dotVersion": "3.9",
-    "fullDotVersion": "3.9.1",
+    "fullDotVersion": "3.9.2",
     "scalaVersion": "2.13"
 };

gradle.properties

@@ -23,7 +23,7 @@ group=org.apache.kafka
 #  - streams/quickstart/pom.xml
 #  - streams/quickstart/java/src/main/resources/archetype-resources/pom.xml
 #  - streams/quickstart/java/pom.xml
-version=3.9.1
+version=3.9.2
 scalaVersion=2.13.15
 # Adding swaggerVersion in gradle.properties to have a single version in place for swagger
 # New version of Swagger 2.2.14 requires minimum JDK 11.

kafka-merge-pr.py

@@ -70,7 +70,7 @@
 
 DEV_BRANCH_NAME = "trunk"
 
-DEFAULT_FIX_VERSION = os.environ.get("DEFAULT_FIX_VERSION", "3.9.0")
+DEFAULT_FIX_VERSION = os.environ.get("DEFAULT_FIX_VERSION", "3.9.2")
 
 ORIGINAL_HEAD = ""
 

streams/quickstart/java/pom.xml

@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.kafka</groupId>
         <artifactId>streams-quickstart</artifactId>
-        <version>3.9.1</version>
+        <version>3.9.2</version>
         <relativePath>..</relativePath>
     </parent>
 

streams/quickstart/java/src/main/resources/archetype-resources/pom.xml

@@ -29,7 +29,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <kafka.version>3.9.1</kafka.version>
+        <kafka.version>3.9.2</kafka.version>
         <slf4j.version>1.7.36</slf4j.version>
     </properties>
 

streams/quickstart/pom.xml

@@ -22,7 +22,7 @@
     <groupId>org.apache.kafka</groupId>
     <artifactId>streams-quickstart</artifactId>
     <packaging>pom</packaging>
-    <version>3.9.1</version>
+    <version>3.9.2</version>
 
     <name>Kafka Streams :: Quickstart</name>
 

tests/kafkatest/__init__.py

@@ -22,4 +22,4 @@
 # Instead, in development branches, the version should have a suffix of the form ".devN"
 #
 # For example, when Kafka is at version 1.0.0-SNAPSHOT, this should be something like "1.0.0.dev0"
-__version__ = '3.9.1'
+__version__ = '3.9.2.dev0'

tests/kafkatest/version.py

@@ -122,7 +122,7 @@ def get_version(node=None):
         return DEV_BRANCH
 
 DEV_BRANCH = KafkaVersion("dev")
-DEV_VERSION = KafkaVersion("3.9.1-SNAPSHOT")
+DEV_VERSION = KafkaVersion("3.9.2-SNAPSHOT")
 
 # This should match the LATEST_PRODUCTION version defined in MetadataVersion.java
 LATEST_STABLE_METADATA_VERSION = "3.9-IV0"
@@ -279,4 +279,5 @@ def get_version(node=None):
 
 # 3.9.x version
 V_3_9_0 = KafkaVersion("3.9.0")
-LATEST_3_9 = V_3_9_0
+V_3_9_1 = KafkaVersion("3.9.1")
+LATEST_3_9 = V_3_9_1