Fix shell command example for build

Author: lukas-vlcek

RELEASE_PROCESS.md

@@ -109,7 +109,7 @@ $ cat .github/workflows/CI.yml | yq .jobs.build.strategy.matrix.java
 Build the artifacts:
 
 ```shell
-$ .gradlew clean build
+$ ./gradlew clean build
 ```
 You will find final artifact (the ZIP archive) in the following location:
 
@@ -142,4 +142,4 @@ Let the community know. Create a new announcement in `OpenSearch` category and d
 
 ## Done!
 
-It was a lot of steps and you deserve a special reward! Go have a nice cup of tea or coffee.
+It was a lot of steps and you deserve a special reward! Go have a nice cup of tea or coffee.