Update Swift packages.

Author: Stephane Magne

.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -19,6 +19,24 @@
           "version": "0.9.1"
         }
       },
+      {
+        "package": "CwlCatchException",
+        "repositoryURL": "https://github.com/mattgallagher/CwlCatchException.git",
+        "state": {
+          "branch": null,
+          "revision": "7cd2f8cacc4d22f21bc0b2309c3b18acf7957b66",
+          "version": "1.2.0"
+        }
+      },
+      {
+        "package": "CwlPreconditionTesting",
+        "repositoryURL": "https://github.com/mattgallagher/CwlPreconditionTesting.git",
+        "state": {
+          "branch": null,
+          "revision": "c228db5d2ad1b01ebc84435e823e6cca4e3db98b",
+          "version": "1.2.0"
+        }
+      },
       {
         "package": "Meta",
         "repositoryURL": "https://github.com/scribd/Meta.git",
@@ -33,8 +51,8 @@
         "repositoryURL": "https://github.com/Quick/Nimble.git",
         "state": {
           "branch": null,
-          "revision": "7a46a5fc86cb917f69e3daf79fcb045283d8f008",
-          "version": "8.1.2"
+          "revision": "b02b00b30b6353632aa4a5fb6124f8147f7140c0",
+          "version": "8.0.5"
         }
       },
       {
@@ -51,26 +69,26 @@
         "repositoryURL": "https://github.com/Quick/Quick.git",
         "state": {
           "branch": null,
-          "revision": "09b3becb37cb2163919a3842a4c5fa6ec7130792",
-          "version": "2.2.1"
+          "revision": "33682c2f6230c60614861dfc61df267e11a1602f",
+          "version": "2.2.0"
         }
       },
       {
         "package": "Rainbow",
         "repositoryURL": "https://github.com/onevcat/Rainbow",
         "state": {
           "branch": null,
-          "revision": "626c3d4b6b55354b4af3aa309f998fae9b31a3d9",
-          "version": "3.2.0"
+          "revision": "9c52c1952e9b2305d4507cf473392ac2d7c9b155",
+          "version": "3.1.5"
         }
       },
       {
         "package": "ShellOut",
         "repositoryURL": "https://github.com/JohnSundell/ShellOut.git",
         "state": {
           "branch": null,
-          "revision": "e1577acf2b6e90086d01a6d5e2b8efdaae033568",
-          "version": "2.3.0"
+          "revision": "4ebf25863deb9c3c02696704fc3d39736183f258",
+          "version": "2.2.1"
         }
       },
       {
@@ -87,17 +105,17 @@
         "repositoryURL": "https://github.com/kylef/Spectre.git",
         "state": {
           "branch": null,
-          "revision": "f79d4ecbf8bc4e1579fbd86c3e1d652fb6876c53",
-          "version": "0.9.2"
+          "revision": "f14ff47f45642aa5703900980b014c2e9394b6e5",
+          "version": "0.9.0"
         }
       },
       {
         "package": "SWXMLHash",
         "repositoryURL": "https://github.com/drmohundro/SWXMLHash.git",
         "state": {
           "branch": null,
-          "revision": "9183170d20857753d4f331b0ca63f73c60764bf3",
-          "version": "5.0.2"
+          "revision": "a4931e5c3bafbedeb1601d3bb76bbe835c6d475a",
+          "version": "5.0.1"
         }
       },
       {