Use plugin

.github/workflows/swiftlint.yml

@@ -16,6 +16,6 @@ jobs:
             ! ${WORKING_DIRECTORY+false} && cd - > /dev/null
             sed -E "s/$(pwd|sed 's/\//\\\//g')\///"
           }
-          swiftlint | \
+          swift package plugin --allow-writing-to-package-directory swiftlint | \
             stripPWD | \
             sed -E 's/^(.*):([0-9]+):([0-9]+): (warning|error|[^:]+): (.*)/::\4 file=\1,line=\2,col=\3::\5/'

Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "d08ba8535e09303ac5be5621b8aea1a2409ebcb2ab566d661a63ec8ab5825189",
+  "originHash" : "5cb26d4cfe9e9240988f3a6c406b8a8b8ab226607c2c80a29f72214e0a48fdb6",
   "pins" : [
     {
       "identity" : "aexml",
@@ -334,6 +334,15 @@
         "version" : "6.0.3"
       }
     },
+    {
+      "identity" : "swiftlintplugins",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/SimplyDanny/SwiftLintPlugins",
+      "state" : {
+        "revision" : "8545ddf4de043e6f2051c5cf204f39ef778ebf6b",
+        "version" : "0.59.1"
+      }
+    },
     {
       "identity" : "swiftymobiledevice",
       "kind" : "remoteSourceControl",

Package.swift

@@ -62,6 +62,8 @@ let package = Package(
         .package(url: "https://github.com/pointfreeco/swift-concurrency-extras", from: "1.3.0"),
         .package(url: "https://github.com/pointfreeco/swift-dependencies", from: "1.6.2"),
 
+        .package(url: "https://github.com/SimplyDanny/SwiftLintPlugins", exact: "0.59.1"),
+
         .package(url: "https://github.com/attaswift/BigInt", from: "5.5.0"),
         .package(url: "https://github.com/mxcl/Version", from: "2.1.0"),
         .package(url: "https://github.com/jpsim/Yams", from: "5.1.3"),