chore: Update `.git-blame-ignore-revs`

While digging through code I noticed another huge code style
refactoring commit is blocking the real blame, so added it to the list.

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

.git-blame-ignore-revs

@@ -3,6 +3,8 @@
 # SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
+# Update to coding-standard 1.1.1
+aa5f037af71c915424c6dcfd5ad2dc82797dc0d6
 # Update to coding-standard 1.2.3
 af6de04e9e141466dc229e444ff3f146f4a34765
 0bd284cb81b6866338aaaa67aa1d81ef9bfbb2ab