streamlink: add the decompress extra

This extra was added in Streamlink 7.2.0 and may be required by some
websites. See https://github.com/streamlink/streamlink/pull/6451

pkgs/by-name/st/streamlink/package.nix

@@ -4,6 +4,9 @@
   fetchPypi,
   replaceVars,
   ffmpeg,
+  extras ? [
+    "decompress"
+  ],
 }:
 
 python3Packages.buildPythonApplication rec {
@@ -39,19 +42,26 @@ python3Packages.buildPythonApplication rec {
     "test_no_cache"
   ];
 
-  propagatedBuildInputs = with python3Packages; [
-    certifi
-    isodate
-    lxml
-    pycountry
-    pycryptodome
-    pysocks
-    requests
-    trio
-    trio-websocket
-    urllib3
-    websocket-client
-  ];
+  propagatedBuildInputs =
+    with python3Packages;
+    [
+      certifi
+      isodate
+      lxml
+      pycountry
+      pycryptodome
+      pysocks
+      requests
+      trio
+      trio-websocket
+      urllib3
+      websocket-client
+    ]
+    ++ lib.attrVals extras optional-dependencies;
+
+  optional-dependencies = with python3Packages; {
+    decompress = urllib3.optional-dependencies.brotli ++ urllib3.optional-dependencies.zstd;
+  };
 
   meta = {
     changelog = "https://streamlink.github.io/changelog.html";