libressl: 3.7.3 -> 3.8.2

pkgs/development/libraries/libressl/default.nix

···
     version = "3.7.3";
     hash = "sha256-eUjIVqkMglvXJotvhWdKjc0lS65C4iF4GyTj+NwzXbM=";
   };
+
+  libressl_3_8 = generic {
+    version = "3.8.2";
+    hash = "sha256-bUuNW7slofgzZjnlbsUIgFLUOpUlZpeoXEzpEyPCWVQ=";
+  };
 }

pkgs/top-level/all-packages.nix

···
 
   inherit (callPackages ../development/libraries/libressl { })
     libressl_3_6
-    libressl_3_7;
+    libressl_3_7
+    libressl_3_8;
 
-  libressl = libressl_3_7;
+  libressl = libressl_3_8;
 
   boringssl = callPackage ../development/libraries/boringssl { };