Bump grpc to 1.0.0 (#6507)

Adds void to keywords

grpc/examples/swift/Greeter/Package.swift

@@ -25,7 +25,7 @@ let package = Package(
   ],
   dependencies: [
     .package(path: "../../../../swift"),
-    .package(url: "https://github.com/grpc/grpc-swift.git", .exact("1.0.0-alpha.24")),
+    .package(url: "https://github.com/grpc/grpc-swift.git", from: "1.0.0"),
   ],
   targets: [
     // Targets are the basic building blocks of a package. A target can define a module or a test suite.

src/idl_gen_swift.cpp

@@ -127,6 +127,7 @@ class SwiftGenerator : public BaseGenerator {
       "unowned",
       "weak",
       "willSet",
+      "Void",
       nullptr,
     };
     for (auto kw = keywords; *kw; kw++) keywords_.insert(*kw);

tests/FlatBuffers.Test.Swift/Package.swift

@@ -25,7 +25,7 @@ let package = Package(
   ],
   dependencies: [
     .package(path: "../../swift/"),
-    .package(url: "https://github.com/grpc/grpc-swift.git", .exact("1.0.0-alpha.24")),
+    .package(url: "https://github.com/grpc/grpc-swift.git", from: "1.0.0"),
   ],
   targets: [
     .target(name: "SwiftFlatBuffers"),