Fix

Author: x-sheep

.github/workflows/swift.yml

@@ -19,7 +19,7 @@ jobs:
   linux:
     name: Swift ${{ matrix.swift }} on Linux
     runs-on: ubuntu-latest
-    container: swift:{{ matrix.swift }}
+    container: swift:${{ matrix.swift }}
     strategy:
       fail-fast: false
       matrix: