fix: glib and isl version extraction patterns

- glib: extract major.minor from directory structure, append .0 for patch version
- isl: fix cleanup pattern to only remove 'isl-' prefix, add capturing group

Author: ochairo

recipes/glib.yml

@@ -9,7 +9,7 @@ build_type: custom
 description: "Low-level core library that forms the basis of GTK+"
 
 download:
-  download_url: "https://download.gnome.org/sources/glib/{version}/glib-{version}.tar.xz"
+  download_url: "https://download.gnome.org/sources/glib/{version}/glib-{version}.0.tar.xz"
   platforms:
     darwin-x86_64:
     darwin-arm64:

recipes/isl.yml

@@ -2,8 +2,8 @@ name: isl
 version:
   source: "url:https://libisl.sourceforge.io/"
   exclude_patterns: "(alpha|beta|rc|dev|preview|pre|snapshot|nightly|test|unstable|canary|next|edge|weekly|daily)"
-  extract_pattern: "isl-[0-9]+\\.[0-9]+(\\.[0-9]+)?"
-  cleanup: "isl-:.tar.xz"
+  extract_pattern: "isl-([0-9]+\\.[0-9]+(?:\\.[0-9]+)?)"
+  cleanup: "isl-:"
 
 build_type: gnu_autotools
 description: "Integer Set Library for manipulating sets and relations of integer points"