Swift 6 (#5)

* Bumped swift-tools-version to 6.0

* bumped swift-bases version

* migrated to swift-testing

* bumped swift-bases dep to 0.2.0 (swift 6 tags)

* Untracked Package.resolved

* Ignore Package.resolved

* migrate to swift-testing

Author: btoms20

.gitignore

@@ -5,6 +5,7 @@
 .index-build/
 .devcontainer/
 /Packages
+Package.resolved
 /*.xcodeproj
 xcuserdata/
 /public

Package.resolved

@@ -1,4 +1,4 @@
-// swift-tools-version:5.5
+// swift-tools-version:6.0
 //===----------------------------------------------------------------------===//
 //
 // This source file is part of the swift-libp2p open source project
@@ -26,7 +26,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
-        .package(url: "https://github.com/swift-libp2p/swift-bases.git", .upToNextMajor(from: "0.0.1"))
+        .package(url: "https://github.com/swift-libp2p/swift-bases.git", .upToNextMinor(from: "0.2.0"))
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.