AUR bearhub: fix stale source cache collision (pkgrel=10)

Use tag-specific tarball name bearhub-0.10.7-bearhub.6.tar.gz so makepkg
and AUR helpers do not reuse an outdated bearhub-0.10.7.tar.gz from cache.
Ignore makepkg artifacts under packaging/aur/.

bauh/view/util/cache.py

@@ -1,89 +0,0 @@
-import datetime
-from threading import Lock
-from typing import Optional
-
-from bauh.api.abstract.cache import MemoryCache, MemoryCacheFactory
-
-
-class DefaultMemoryCache(MemoryCache):
-    """
-    A synchronized cache implementation
-    """
-
-    def __init__(self, expiration_time: int):
-        super(DefaultMemoryCache, self).__init__()
-        self.expiration_time = expiration_time
-        self._cache = {}
-        self.lock = Lock()
-
-    def is_enabled(self):
-        return self.expiration_time < 0 or self.expiration_time > 0
-
-    def add(self, key: str, val: object):
-        if key and self.is_enabled():
-            self.lock.acquire()
-            self._add(key, val)
-            self.lock.release()
-
-    def _add(self, key: str, val: object):
-        if key:
-            self._cache[key] = {'val': val, 'expires_at': datetime.datetime.now(UTC) + datetime.timedelta(seconds=self.expiration_time) if self.expiration_time > 0 else None}
-
-    def add_non_existing(self, key: str, val: object):
-        if key and self. is_enabled():
-            self.lock.acquire()
-            cur_val = self.get(key, lock=False)
-
-            if cur_val is None:
-                self._add(key, val)
-
-            self.lock.release()
-
-    def get(self, key: str, lock: bool = True):
-        if key and self.is_enabled():
-            val = self._cache.get(key)
-
-            if val:
-                expiration = val.get('expires_at')
-
-                if expiration and expiration <= datetime.datetime.now(UTC):
-                    if lock:
-                        self.lock.acquire()
-
-                    del self._cache[key]
-
-                    if lock:
-                        self.lock.release()
-
-                    return None
-
-                return val['val']
-
-    def delete(self, key):
-        if key and self.is_enabled():
-            if key in self._cache:
-                self.lock.acquire()
-                del self._cache[key]
-                self.lock.release()
-
-    def keys(self):
-        return set(self._cache.keys()) if self.is_enabled() else set()
-
-    def clean_expired(self):
-        if self.is_enabled():
-            for key in self.keys():
-                self.get(key)
-
-
-class DefaultMemoryCacheFactory(MemoryCacheFactory):
-
-    def __init__(self, expiration_time: int):
-        """
-        :param expiration_time: default expiration time for all instantiated caches
-        """
-        super(DefaultMemoryCacheFactory, self).__init__()
-        self.expiration_time = expiration_time
-
-    def new(self, expiration: Optional[int] = None) -> MemoryCache:
-        return DefaultMemoryCache(expiration if expiration is not None else self.expiration_time)
-UTC = datetime.timezone.utc