Use xargs fix for all vanilla images, not just Sequoia

templates/vanilla-monterey.pkr.hcl

@@ -128,7 +128,7 @@ build {
     inline = [
       # Install command-line tools
       "touch /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress",
-      "softwareupdate --list | sed -n 's/.*Label: \\(Command Line Tools for Xcode-.*\\)/\\1/p' | tr '\\n' '\\0' | xargs -0 softwareupdate --install",
+      "softwareupdate --list | sed -n 's/.*Label: \\(Command Line Tools for Xcode-.*\\)/\\1/p' | xargs -I {} softwareupdate --install '{}'",
       "rm /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress",
     ]
   }

templates/vanilla-sonoma.pkr.hcl

@@ -127,7 +127,7 @@ build {
     inline = [
       # Install command-line tools
       "touch /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress",
-      "softwareupdate --list | sed -n 's/.*Label: \\(Command Line Tools for Xcode-.*\\)/\\1/p' | tr '\\n' '\\0' | xargs -0 softwareupdate --install",
+      "softwareupdate --list | sed -n 's/.*Label: \\(Command Line Tools for Xcode-.*\\)/\\1/p' | xargs -I {} softwareupdate --install '{}'",
       "rm /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress",
     ]
   }

templates/vanilla-ventura.pkr.hcl

@@ -136,7 +136,7 @@ build {
     inline = [
       # Install command-line tools
       "touch /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress",
-      "softwareupdate --list | sed -n 's/.*Label: \\(Command Line Tools for Xcode-.*\\)/\\1/p' | tr '\\n' '\\0' | xargs -0 softwareupdate --install",
+      "softwareupdate --list | sed -n 's/.*Label: \\(Command Line Tools for Xcode-.*\\)/\\1/p' | xargs -I {} softwareupdate --install '{}'",
       "rm /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress",
     ]
   }