Don't fail when reviewdog finds findings

Signed-off-by: Taiki Ono <taiki@finatext.com>

Author: taiki45

.github/workflows/test-annotation.yml

@@ -42,4 +42,4 @@ jobs:
           mkdir -p tmp
           gitleaks detect --verbose --exit-code=0 --no-banner --config=tests/testdata/scan_config.toml --report-path="${REPORT_PATH}"
           cargo run apply --no-fail --format=sarif --config-path=tests/testdata/empty_allowlist.toml | \
-            reviewdog -f=sarif -reporter=github-pr-check -level=warning
+            reviewdog -f=sarif -reporter=github-pr-check -level=warning -fail-on-error=false