Add Swift 5.9 release and Swift 5.10 nightly (#5724)

See also: compiler-explorer/infra#1143

etc/config/swift.amazon.properties

@@ -1,9 +1,9 @@
 compilers=&swift
-demangler=/opt/compiler-explorer/swift-5.8/usr/bin/swift-demangle
-defaultCompiler=swift58
+demangler=/opt/compiler-explorer/swift-5.9/usr/bin/swift-demangle
+defaultCompiler=swift59
 objdumper=/opt/compiler-explorer/gcc-snapshot/bin/objdump
 
-group.swift.compilers=swift311:swift402:swift403:swift41:swift411:swift412:swift42:swift50:swift51:swift52:swift53:swift54:swift55:swift56:swift57:swift58:swiftnightly
+group.swift.compilers=swift311:swift402:swift403:swift41:swift411:swift412:swift42:swift50:swift51:swift52:swift53:swift54:swift55:swift56:swift57:swift58:swift59:swift510nightly:swiftnightly
 group.swift.isSemVer=true
 group.swift.baseName=x86-64 swiftc
 compiler.swift311.exe=/opt/compiler-explorer/swift-3.1.1/usr/bin/swiftc
@@ -46,6 +46,11 @@ compiler.swift57.exe=/opt/compiler-explorer/swift-5.7/usr/bin/swiftc
 compiler.swift57.semver=5.7
 compiler.swift58.exe=/opt/compiler-explorer/swift-5.8/usr/bin/swiftc
 compiler.swift58.semver=5.8
+compiler.swift59.exe=/opt/compiler-explorer/swift-5.9/usr/bin/swiftc
+compiler.swift59.semver=5.9
+compiler.swift510nightly.exe=/opt/compiler-explorer/swift-5.10-nightly/usr/bin/swiftc
+compiler.swift510nightly.semver=5.10-nightly
+compiler.swift510nightly.isNightly=true
 compiler.swiftnightly.exe=/opt/compiler-explorer/swift-nightly/usr/bin/swiftc
 compiler.swiftnightly.semver=nightly
 compiler.swiftnightly.isNightly=true