💚 Change swift install method

.gitea/workflows/main.yml

@@ -7,10 +7,18 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Swift
-      uses: https://github.com/swift-actions/setup-swift@v1
+    - name: Check out code
+      uses: actions/checkout@v4
+    - name: Install Swift
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y clang libicu-dev
+        wget https://download.swift.org/swift-5.9.2-release/ubuntu2004/swift-5.9.2-RELEASE/swift-5.9.2-RELEASE-ubuntu20.04.tar.gz
+        tar xzf swift-5.9.2-RELEASE-ubuntu20.04.tar.gz
+        echo "SWIFT_PATH=$(pwd)/swift-5.9.2-RELEASE-ubuntu20.04/usr/bin" >> $GITHUB_ENV
+
     - name: Build
-      run: swift build
+      run: ${{ env.SWIFT_PATH }}/swift build
+
     - name: Run tests
-      run: swift test
+      run: ${{ env.SWIFT_PATH }}/swift test