Add .pre-commit-config which runs pyink

Copy of #6336 PR by kiryl-filatau

There are also existing hooks in https://github.com/GoogleCloudPlatform/PerfKitBenchmarker/tree/master/hooks

..but these look pretty ancient (last change 8 years ago). Will ignore for now & can potentially incorporate some of the useful features (like only running linter on modified files) in the future.

PiperOrigin-RevId: 853836176

Author: hubatish

CHANGES.next.md

@@ -431,7 +431,8 @@
 -   Add support for NVMe local SSDs in GKE.
 -   Add support for cluster to wait the resource on multiple conditions
 -   Add support for enabling live migration on AMD SEV
--   Increased maintenance simulation notification timeout to 4 hours in maintenance_simulation_trigger.py.
+-   Increased maintenance simulation notification timeout to 4 hours in
+    maintenance_simulation_trigger.py.
 
 ### Bug fixes and maintenance updates:
 
@@ -637,3 +638,5 @@
     friction for new PRs.
 -   Support gs:// URLs in --ycsb_tar_url.
 -   Add `--gce_extra_network_interface_options` flag.
+-   Add pyink as a precommit hook for GitHub PRs. This was already recommended
+    practice but is now done automatically.

perfkitbenchmarker/github/.pre-commit-config.yaml

@@ -0,0 +1,7 @@
+repos:
+  - repo: https://github.com/google/pyink
+    rev: 24.10.1
+    hooks:
+      - id: pyink
+        language_version: python3.12
+        args: [--pyink-indentation=2, --pyink-use-majority-quotes, --unstable, --line-length=80]