attempt CI with 6.1.3 on Linux until 6.2 is fixed

Author: ktoso

.github/workflows/pull_request.yml

@@ -140,7 +140,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ['6.2', 'nightly']
+        swift_version: ['6.1.3', '6.2', 'nightly']
         os_version: ['jammy']
         jdk_vendor: ['corretto']
     container:
@@ -182,7 +182,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ['6.2', 'nightly']
+        swift_version: ['6.1.3', '6.2', 'nightly']
         os_version: ['jammy']
         jdk_vendor: ['corretto']
         sample_app: [  # TODO: use a reusable-workflow to generate those names

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.2
+// swift-tools-version: 6.1
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import CompilerPluginSupport

Samples/SwiftJavaExtractJNISampleApp/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.2
+// swift-tools-version: 6.1
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import CompilerPluginSupport