bzip2: Update import script to get bzip2 1.0.8

Utilities/Scripts/update-bzip2.bash

@@ -8,7 +8,7 @@ readonly name="bzip2"
 readonly ownership="bzip2 upstream <[email protected]>"
 readonly subtree="Utilities/cmbzip2"
 readonly repo="https://sourceware.org/git/bzip2.git"
-readonly tag="bzip2-1.0.5"
+readonly tag="bzip2-1.0.8"
 readonly shortlog=false
 readonly paths="
   LICENSE