Update upload-artifact version

Author: arik-so

.github/actions/upload-xcframework-artifact/action.yml

@@ -14,7 +14,7 @@ runs:
                 python3 ./scripts/symlink_resolver.py /Users/runner/work/ldk-swift/ldk-swift/bindings/bin/release/LightningDevKit-no-symlinks.xcframework
                 ditto -c -k --sequesterRsrc --keepParent /Users/runner/work/ldk-swift/ldk-swift/bindings/bin/release/LightningDevKit-no-symlinks.xcframework LightningDevKit-no-symlinks.xcframework.zip
         -   name: Upload Framework Artifact
-            uses: actions/upload-artifact@v3
+            uses: actions/upload-artifact@v4
             with:
                 name: LightningDevKit
                 path: |

.github/workflows/build-xcframework-parallel-archives.yml

@@ -57,7 +57,7 @@ jobs:
             -   name: Xcarchive hack
                 run: touch ./bindings_root.txt
             -   name: Upload xcarchive
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: bindings
                     path: ./bindings/**/bin/release/${{ matrix.configuration['human_readable_platform'] }}/${{ matrix.configuration['human_readable_platform'] }}.xcarchive

.github/workflows/build-xcframework-parallel-libldk.yml

@@ -65,7 +65,7 @@ jobs:
                     LLVM_TARGET_TRIPLE_SUFFIX: ${{ matrix.configuration['llvm_target_triple_suffix'] }}
                     ARCHS: ${{ matrix.configuration['architectures'] }}
             -   name: Upload binary
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: bindings
                     path: |

.github/workflows/test-artifacts.yml

@@ -32,7 +32,7 @@ jobs:
                     mkdir -p ./bindings/bin/release/${{ matrix.configuration['human_readable_platform'] }}
                     touch ./bindings/bin/release/${{ matrix.configuration['human_readable_platform'] }}/${{ matrix.configuration['human_readable_platform'] }}.xcarchive
             -   name: Upload emulated xcarchive
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: uploaded-artifact-name
                     path: ./bindings/**/bin/release/${{ matrix.configuration['human_readable_platform'] }}/${{ matrix.configuration['human_readable_platform'] }}.xcarchive