Release/4.0.0-beta.9 (#1132)

* Version bump for 4.0.0-beta.9

* added note about "lots of under the hood improvements"

* fixed issue with carthage integration tests cache referencing file that was removed from versioning, fixed issue with scan-and-archive passing in an nonexistent scheme

* added updated deployment targets to changelog

* updated deployment target for cocoapods integration tests

* fixed issue with duplicate swift_name

* update Package.resolved

* removed unnecessary copy frameworks phase

* update deployment target for spm integration tests

* deleted duplicate line in devices

* updated swift tools to swift 5.5

* added all non-SDK files to exclude

* added missing foundation imports

IntegrationTests/XcodeDirectIntegration/XcodeDirectIntegration.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -36,6 +36,15 @@
           "revision": "12f19662426d0434d6c330c6974d53e2eb10ecd9",
           "version": "9.1.0"
         }
+      },
+      {
+        "package": "SnapshotTesting",
+        "repositoryURL": "https://github.com/pointfreeco/swift-snapshot-testing",
+        "state": {
+          "branch": null,
+          "revision": "f8a9c997c3c1dab4e216a8ec9014e23144cbab37",
+          "version": "1.9.0"
+        }
       }
     ]
   },