build(deps): Update flufl-lock requirement from <4,>=3.2 to >=5 (#6576)

* build(deps): Update flufl-lock requirement from <4,>=3.2 to >=3.2,<7

Updates the requirements on [flufl-lock](https://gitlab.com/warsaw/flufl.lock) to permit the latest version.
- [Release notes](https://gitlab.com/warsaw/flufl.lock/tags)
- [Commits](https://gitlab.com/warsaw/flufl.lock/compare/3.2...6.0)

---
updated-dependencies:
- dependency-name: flufl-lock
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* upgrade flufl.lock

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ruslan Kuprieiev <[email protected]>

dvc/lock.py

@@ -176,25 +176,14 @@ class HardlinkLock(flufl.lock.Lock, LockBase):
         except flufl.lock.TimeOutError:
             raise LockError(FAILED_TO_LOCK_MESSAGE)
 
-    def _set_claimfile(self, pid=None):
-        super()._set_claimfile(pid)
+    def _set_claimfile(self):
+        super()._set_claimfile()
 
         if self._tmp_dir is not None:
             # Under Windows file path length is limited so we hash it
             filename = hashlib.md5(self._claimfile.encode()).hexdigest()
             self._claimfile = os.path.join(self._tmp_dir, filename + ".lock")
 
-    # Fix for __del__ bug in flufl.lock [1] which is causing errors on
-    # Python shutdown [2].
-    # [1] https://gitlab.com/warsaw/flufl.lock/issues/7
-    # [2] https://github.com/iterative/dvc/issues/2573
-    def __del__(self):
-        try:
-            if self._owned:
-                self.finalize()
-        except ImportError:
-            pass
-
 
 def make_lock(lockfile, tmp_dir=None, friendly=False, hardlink_lock=False):
     cls = HardlinkLock if hardlink_lock else Lock

setup.cfg

@@ -59,7 +59,7 @@ install_requires =
     tqdm>=4.45.0,<5
     packaging>=19.0
     zc.lockfile>=1.2.1
-    flufl.lock>=3.2,<4
+    flufl.lock>=5
     networkx>=2.5
     psutil>=5.8.0
     pydot>=1.2.4