[COMMON] Add a pre-commit-auto-update tox profile

This profile can be called manually to upgrade linters
declared in the pre-commit configuration file.

Issue-ID: OOM-2643
Signed-off-by: guillaume.lambert <guillaume.lambert@orange.com>
Change-Id: Ia3ccb818f973eba94d1723a14fc7775515ca8a48
diff --git a/tox.ini b/tox.ini
index 01019bb..6388e88 100644
--- a/tox.ini
+++ b/tox.ini
@@ -112,3 +112,9 @@
     # As a result, the line above is always skipped in jenkins CI since there cannot be a .git/COMMIT_EDITMSG file.
     # A dedicated gitlint profile for CI is proposed above. Also to behave fine locally, this profile must have access
     # to the HOME variable so that Gitlint can retrieve Git user settings.
+
+[testenv:pre-commit-autoupdate]
+basepython = python3
+deps = pre-commit
+commands =
+    pre-commit autoupdate