Adjust pulseaudio download link

Plain https://freedesktop.org has broken cert now:
https://gitlab.freedesktop.org/freedesktop/freedesktop/-/issues/1537
Use www. for now.

.qubesbuilder

@@ -23,7 +23,7 @@ source:
 #    pubkeys:
 #    - keys/busybox/vda_pubkey.asc
     sha512: checksums/busybox-1.31.1.tar.bz2.sha512
-  - url: https://freedesktop.org/software/pulseaudio/releases/pulseaudio-14.2.tar.xz
+  - url: https://www.freedesktop.org/software/pulseaudio/releases/pulseaudio-14.2.tar.xz
     sha512: checksums/pulseaudio-14.2.tar.xz.sha512
   - url: https://github.com/libusb/libusb/releases/download/v1.0.23/libusb-1.0.23.tar.bz2
     sha512: checksums/libusb-1.0.23.tar.bz2.sha512

Makefile

@@ -17,7 +17,7 @@ URLS := \
     https://download.qemu.org/qemu-$(QEMU_VERSION).tar.xz.sig \
     https://kernel.org/pub/linux/kernel/v$(firstword $(subst ., ,$(LINUX_VERSION))).x/linux-$(LINUX_VERSION).tar.sign \
     https://busybox.net/downloads/busybox-$(BUSYBOX_VERSION).tar.bz2.sig \
-    https://freedesktop.org/software/pulseaudio/releases/pulseaudio-$(PULSEAUDIO_VERSION).tar.xz \
+    https://www.freedesktop.org/software/pulseaudio/releases/pulseaudio-$(PULSEAUDIO_VERSION).tar.xz \
     https://github.com/libusb/libusb/releases/download/v$(LIBUSB_VERSION)/libusb-$(LIBUSB_VERSION).tar.bz2
 
 ALL_URLS := $(patsubst %.sign,%,$(patsubst %.sig,%,$(URLS))) $(filter %.sig, $(URLS)) $(filter %.sign, $(URLS))