Merge pull request #56 from 417-72KI/drop-5.6

Author: 417-72KI

.github/matrix.json

@@ -2,13 +2,11 @@
     "swift_version": [
         "5.9",
         "5.8",
-        "5.7",
-        "5.6"
+        "5.7"
     ],
     "swiftlint_supported_version": {
         "5.9": "main",
         "5.8": "main",
-        "5.7": "main",
-        "5.6": "0.49.1"
+        "5.7": "main"
     }
 }

README.md

@@ -33,7 +33,7 @@ jobs:
 ### Note for version
 - v5.8: Swift 5.8
 - v5.7: Swift 5.7
-- v5.6: Swift 5.6
+- v5.6: Swift 5.6 (no longer updated)
 - v5.5: Swift 5.5 (no longer updated)
 - v4: Swift 5.4 (no longer updated)
 - v3: Swift 5.3 (no longer updated)