[SPARK-52058] Update README.md and integration test with Apache Spark 4.0.0 RC5

Author: dongjoon-hyun

.github/workflows/build_and_test.yml

@@ -96,7 +96,7 @@ jobs:
         swift-version: "6.1"
     - name: Test
       run: |
-        curl -LO https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc4-bin/spark-4.0.0-bin-hadoop3.tgz
+        curl -LO https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc5-bin/spark-4.0.0-bin-hadoop3.tgz
         tar xvfz spark-4.0.0-bin-hadoop3.tgz
         mv spark-4.0.0-bin-hadoop3 /tmp/spark
         cd /tmp/spark/sbin
@@ -115,7 +115,7 @@ jobs:
         swift-version: "6.1"
     - name: Test
       run: |
-        curl -LO https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc4-bin/spark-4.0.0-bin-hadoop3.tgz
+        curl -LO https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc5-bin/spark-4.0.0-bin-hadoop3.tgz
         tar xvfz spark-4.0.0-bin-hadoop3.tgz
         mv spark-4.0.0-bin-hadoop3 /tmp/spark
         cd /tmp/spark/sbin

README.md

@@ -6,11 +6,11 @@
 
 This is an experimental Swift library to show how to connect to a remote Apache Spark Connect Server and run SQL statements to manipulate remote data.
 
-So far, this library project is tracking the upstream changes like the [Apache Spark](https://spark.apache.org) 4.0.0 RC4 release and [Apache Arrow](https://arrow.apache.org) project's Swift-support.
+So far, this library project is tracking the upstream changes like the [Apache Spark](https://spark.apache.org) 4.0.0 RC5 release and [Apache Arrow](https://arrow.apache.org) project's Swift-support.
 
 ## Requirement
 
-- [Apache Spark 4.0.0 RC4 (April 2025)](https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc4-bin/)
+- [Apache Spark 4.0.0 RC5 (April 2025)](https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc5-bin/)
 - [Swift 6.0 (2024) or 6.1 (2025)](https://swift.org)
 - [gRPC Swift 2.1 (March 2025)](https://github.com/grpc/grpc-swift/releases/tag/2.1.2)
 - [gRPC Swift Protobuf 1.2 (April 2025)](https://github.com/grpc/grpc-swift-protobuf/releases/tag/1.2.0)
@@ -183,7 +183,7 @@ spark-sql (default)> DROP DATABASE db1 CASCADE;
 spark-sql (default)> exit;
 ```
 
-Apache Spark 4 supports [SQL Pipe Syntax](https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc4-docs/_site/sql-pipe-syntax.html).
+Apache Spark 4 supports [SQL Pipe Syntax](https://dist.apache.org/repos/dist/dev/spark/v4.0.0-rc5-docs/_site/sql-pipe-syntax.html).
 
 ```
 $ swift run