pre-commit: Bump versions

Change-Id: I1cf4e526d6cdc0af931a1fa9372b5dd0036440dc
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

.pre-commit-config.yaml

@@ -13,13 +13,13 @@ repos:
       - id: check-yaml
         files: .*\.(yaml|yml)$
   - repo: https://opendev.org/openstack/hacking
-    rev: 7.0.0
+    rev: 8.0.0
     hooks:
       - id: hacking
         additional_dependencies: []
         exclude: '^(doc|releasenotes|tools)/.*$'
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.20.0
+    rev: v3.21.2
     hooks:
       - id: pyupgrade
         args: [--py310-plus]

taskflow/examples/99_bottles.py

@@ -194,7 +194,6 @@ def main_local():
     # the examples are made sure to still function correctly...
     global TAKE_DOWN_DELAY
     global PASS_AROUND_DELAY
-    global JB_CONF
     # Make everything go much faster (so that this finishes quickly).
     PASS_AROUND_DELAY = 0.01
     TAKE_DOWN_DELAY = 0.01