Removed references to Spark 3.4.4 and added to Spark 4.0.0

Author: Yaniv Kunda

.github/workflows/publish-registry-pr.yml

@@ -11,10 +11,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - spark_version: 3.4.4
-            hadoop_version: 3
           - spark_version: 3.5.6
             hadoop_version: 3
+          - spark_version: 4.0.0
+            hadoop_version: 3
     steps:
       - name: Checkout pull request
         uses: actions/checkout@v4

.github/workflows/publish-registry.yml

@@ -8,10 +8,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - spark_version: 3.4.4
-            hadoop_version: 3
           - spark_version: 3.5.6
             hadoop_version: 3
+          - spark_version: 4.0.0
+            hadoop_version: 3
     steps:
       - uses: docker/setup-buildx-action@v3
       - uses: docker/login-action@v3

README.md

@@ -29,7 +29,7 @@ docker build -t lighter .
 
 ### Spark versions
 
-Lighter will always try to support the latest patch version for all officially recommended [Apache Spark](https://spark.apache.org/) releases i.e.: 3.4.4 and 3.5.6.
+Lighter will always try to support the latest patch version for all officially recommended [Apache Spark](https://spark.apache.org/) releases i.e.: 3.5.6 and 4.0.0.
 
 ### Contributing