chore: update ignore paths in renovate config (#1945)#2980

JoeWang1127 merged 4 commits intomaingoogleapis/java-spanner:mainfrom

owl-bot-update-lock-81c3ec554428c8ff6c92f0d58668b7ef52265d053a82284c97a326745e786949googleapis/java-spanner:owl-bot-update-lock-81c3ec554428c8ff6c92f0d58668b7ef52265d053a82284c97a326745e786949Copy head branch name to clipboard