Update version following v2.2.9 release (#163)

Also add a RELEASING.md file to document release process.

Signed-off-by: Mark S. Lewis <[email protected]>

Author: bestbeforetoday

RELEASING.md

@@ -0,0 +1,24 @@
+# Releasing
+
+Artifacts are published to the following locations as a result of releasing the Hyperledger Fabric Gateway SDK for Java:
+
+- [Maven Central](https://central.sonatype.com/artifact/org.hyperledger.fabric/fabric-gateway-java).
+- [GitHub Packages](https://github.com/hyperledger/fabric-gateway-java/packages/1782386).
+
+## Before releasing
+
+Check that the last [push workflow](https://github.com/hyperledger/fabric-gateway-java/actions/workflows/push.yml) completed all checks successfully, since this is the version that will be published.
+
+## Create release
+
+Creating a GitHub release on the [releases page](https://github.com/hyperledger/fabric-gateway-java/releases) will trigger the build to publish the new release.
+
+When drafting the release, create a new tag for the new version (with a `v` prefix), e.g. `vX.Y.Z`
+
+See previous releases for examples of the title and description.
+
+## After releasing
+
+The following tasks are required after releasing:
+
+- Update version number in `pom.xml` to the next patch level.

pom.xml

@@ -7,7 +7,7 @@
 
     <groupId>org.hyperledger.fabric</groupId>
     <artifactId>fabric-gateway-java</artifactId>
-    <version>2.2.9-SNAPSHOT</version>
+    <version>2.2.10-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>fabric-gateway-java</name>