Bump C-S-S to 6.19.0 (#1006)

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Task/Issue URL:
https://app.asana.com/0/72649045549333/1207836782368194/f
iOS PR: duckduckgo/iOS#3396
macOS PR: duckduckgo/macos-browser#3347
What kind of version bump will this require?: Minor

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Tech Design URL:
https://app.asana.com/0/72649045549333/1207836782368196/f
CC: @jonathanKingston 

**Description**:
This PR bumps the C-S-S pin to pull in the changes from
duckduckgo/content-scope-scripts#1026.

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**OS Testing**:

* [ ] iOS 14
* [ ] iOS 15
* [ ] iOS 16
* [ ] macOS 10.15
* [ ] macOS 11
* [ ] macOS 12

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Package.resolved

@@ -14,8 +14,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/duckduckgo/content-scope-scripts",
       "state" : {
-        "revision" : "2bed9e2963b2a9232452911d0773fac8b56416a1",
-        "version" : "6.17.0"
+        "revision" : "1ed569676555d493c9c5575eaed22aa02569aac9",
+        "version" : "6.19.0"
       }
     },
     {

Package.swift

@@ -52,7 +52,7 @@ let package = Package(
         .package(url: "https://github.com/duckduckgo/sync_crypto", exact: "0.2.0"),
         .package(url: "https://github.com/gumob/PunycodeSwift.git", exact: "3.0.0"),
         .package(url: "https://github.com/duckduckgo/privacy-dashboard", exact: "5.3.0"),
-        .package(url: "https://github.com/duckduckgo/content-scope-scripts", exact: "6.17.0"),
+        .package(url: "https://github.com/duckduckgo/content-scope-scripts", exact: "6.19.0"),
         .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: "6.0.1")