chore: rekres 2026-08-12

Bumps renovate frequency.

Signed-off-by: Maja Bojarska <maja.bojarska@siderolabs.com>

Author: majabojarska

.github/renovate.json

@@ -6,7 +6,7 @@
         ":dependencyDashboard",
         ":gitSignOff",
         ":semanticCommitScopeDisabled",
-        "schedule:earlyMondays"
+        "schedule:nonOfficeHours"
     ],
     "customDatasources": {
         "bc": {