Fix GH212, PP308 (#8621)

* Fix GH212, PP305, PP308

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Revert xfail strict

* Revert PP308

* Configure repo review

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/dependabot.yml

@@ -5,3 +5,7 @@ updates:
     schedule:
       # Check for updates once a week
       interval: 'weekly'
+    groups:
+      actions:
+        patterns:
+          - "*"

pyproject.toml

@@ -271,3 +271,8 @@ testpaths = ["xarray/tests", "properties"]
 
 [tool.aliases]
 test = "pytest"
+
+[tool.repo-review]
+ignore = [
+  "PP308" # This option creates a large amount of log lines.
+]