Revert "Bump github.com/1024jp/gzipswift from 6.0.1 to 6.1.0" (#1055)

Reverts #1050

This change is being reverted as gzipswift breaks compilation on 6.1.0. This issue is reported in 1024jp/GzipSwift#69 and is due to a malformed Package.swift file.

To test this, just check that CI is green.

Package.resolved

@@ -41,8 +41,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/1024jp/GzipSwift.git",
       "state" : {
-        "revision" : "56bf51fdd2fe4b2cf254b2cf34aede3d7caccc6c",
-        "version" : "6.1.0"
+        "revision" : "731037f6cc2be2ec01562f6597c1d0aa3fe6fd05",
+        "version" : "6.0.1"
       }
     },
     {

Package.swift

@@ -55,7 +55,7 @@ let package = Package(
         .package(url: "https://github.com/duckduckgo/content-scope-scripts", exact: "6.28.0"),
         .package(url: "https://github.com/httpswift/swifter.git", exact: "1.5.0"),
         .package(url: "https://github.com/duckduckgo/bloom_cpp.git", exact: "3.0.0"),
-        .package(url: "https://github.com/1024jp/GzipSwift.git", exact: "6.1.0")
+        .package(url: "https://github.com/1024jp/GzipSwift.git", exact: "6.0.1")
     ],
     targets: [
         .target(