use swift 5.6 for async support

Author: arik-so

.github/workflows/swift.yml

@@ -34,14 +34,14 @@ jobs:
                     cd ..
             -   name: Install Swift Toolchain
                 run: |
-                    curl --verbose -L -o swift-5.4.2-RELEASE-ubuntu20.04.tar.gz https://swift.org/builds/swift-5.4.2-release/ubuntu2004/swift-5.4.2-RELEASE/swift-5.4.2-RELEASE-ubuntu20.04.tar.gz
-                    echo "Sha sum: $(sha256sum swift-5.4.2-RELEASE-ubuntu20.04.tar.gz | awk '{ print $1 }')"
-                    if [ "$(sha256sum swift-5.4.2-RELEASE-ubuntu20.04.tar.gz | awk '{ print $1 }')" != "${EXPECTED_SWIFT_SHASUM}" ]; then
+                    curl --verbose -L -o swift-5.6-RELEASE-ubuntu20.04.tar.gz https://download.swift.org/swift-5.6-release/ubuntu2004/swift-5.6-RELEASE/swift-5.6-RELEASE-ubuntu20.04.tar.gz
+                    echo "Sha sum: $(sha256sum swift-5.6-RELEASE-ubuntu20.04.tar.gz | awk '{ print $1 }')"
+                    if [ "$(sha256sum swift-5.6-RELEASE-ubuntu20.04.tar.gz | awk '{ print $1 }')" != "${EXPECTED_SWIFT_SHASUM}" ]; then
                       echo "Bad hash"
-                      echo "Contents: \n$(cat swift-5.4.2-RELEASE-ubuntu20.04.tar.gz)" 
+                      echo "Contents: \n$(cat swift-5.6-RELEASE-ubuntu20.04.tar.gz)" 
                       exit 1
                     fi
-                    tar xvvf swift-5.4.2-RELEASE-ubuntu20.04.tar.gz
+                    tar xvvf swift-5.6-RELEASE-ubuntu20.04.tar.gz
                 env:
                     EXPECTED_SWIFT_SHASUM: 86b849d9f6ba2eda4e12ea5eafaa0748bffcd6272466b514c2b0fd4a829c63a4
             -   name: Install native Rust toolchain, Valgrind, and build utilitis
@@ -91,7 +91,7 @@ jobs:
             -   name: Build Swift bindings package
                 run: |
                     cd ci/LDKSwift
-                    ../../swift-5.4.2-RELEASE-ubuntu20.04/usr/bin/swift build
+                    ../../swift-5.6-RELEASE-ubuntu20.04/usr/bin/swift build
                     cd ../../
                 env:
                     LDK_C_BINDINGS_BASE: /home/runner/work/ldk-swift/ldk-swift/ldk-c-bindings
@@ -100,7 +100,7 @@ jobs:
             -   name: Test Swift bindings package
                 run: |
                     cd ci/LDKSwift
-                    ../../swift-5.4.2-RELEASE-ubuntu20.04/usr/bin/swift test -v
+                    ../../swift-5.6-RELEASE-ubuntu20.04/usr/bin/swift test -v
                 env:
                     LDK_C_BINDINGS_BASE: /home/runner/work/ldk-swift/ldk-swift/ldk-c-bindings
                     LLVM_CLANG_ASAN_PATH: /usr/lib/llvm-11/lib/clang/11.0.0/lib/linux/libclang_rt.asan-x86_64.a