Handle exception in depcheck

https://github.com/oaubert/advene/actions/runs/10583260889/job/29324863836 failed with

  File "D:/a/advene/advene/dev/win_installer/misc/depcheck.py", line 28, in _get_shared_libraries
    repo.require(namespace, version, 0)
gi.repository.GLib.GError: g-irepository-error-quark: Typelib file for namespace 'GIRepository', version '3.0' not found (0)

which is strange since GIRepository is 2.0.

dev/win_installer/misc/depcheck.py

@@ -25,21 +25,30 @@
 
 def _get_shared_libraries(q, namespace, version):
     repo = GIRepository.Repository()
-    repo.require(namespace, version, 0)
-    lib = repo.get_shared_library(namespace)
-    q.put(lib)
+    try:
+        repo.require(namespace, version, 0)
+        lib = repo.get_shared_library(namespace)
+        q.put(lib)
+        return True
+    except Exception as err:
+        print(f"Exception for {namespace}:{version}: {err.message}")
+        return False
 
 
 @cache
 def get_shared_libraries(namespace, version):
     # we have to start a new process because multiple versions can't be loaded
     # in the same process
     q = Queue()
-    p = Process(target=_get_shared_libraries, args=(q, namespace, version))
-    p.start()
-    result = q.get()
-    p.join()
-    return result
+    ret = _get_shared_libraries, args=(q, namespace, version)
+    if ret:
+        p = Process(target=ret)
+        p.start()
+        result = q.get()
+        p.join()
+        return result
+    else:
+        return None
 
 
 def get_required_by_typelibs():