Bump to google/bundletool@586a43a4 (#10892)

Context: https://github.com/google/bundletool/releases/tag/1.18.3
Changes: google/bundletool@1.17.0...1.18.3

Author: jonathanpeppers

Configuration.props

@@ -128,7 +128,7 @@
     <XABuildToolsFolder Condition="'$(XABuildToolsFolder)' == ''">36.0.0</XABuildToolsFolder>
     <XAPlatformToolsPackagePrefix Condition=" '$(HostOS)' == 'Darwin' "></XAPlatformToolsPackagePrefix>
     <XAPlatformToolsVersion>36.0.0</XAPlatformToolsVersion>
-    <XABundleToolVersion Condition="'$(XABundleToolVersion)' == ''">1.17.0</XABundleToolVersion>
+    <XABundleToolVersion Condition="'$(XABundleToolVersion)' == ''">1.18.3</XABundleToolVersion>
     <XAPackagesDir Condition=" '$(XAPackagesDir)' == '' And '$(NUGET_PACKAGES)' != ''">$(NUGET_PACKAGES)</XAPackagesDir>
     <XAPackagesDir Condition=" '$(XAPackagesDir)' == '' And '$(HostOS)' == 'Windows'">$(userprofile)\.nuget\packages</XAPackagesDir>
     <XAPackagesDir Condition=" '$(XAPackagesDir)' == '' And '$(HostOS)' != 'Windows'">$(HOME)/.nuget/packages</XAPackagesDir>