Address bugs reported by OSV-scanner (#923)

Address this:
```
Run google/osv-scanner-action/osv-reporter-action@f8[1](https://github.com/google/oss-fuzz-gen/actions/runs/14024801098/job/39261639854#step:6:1)15f2f28022984d4e8070d2f0f85abcf6f3458
/usr/bin/docker run --name ghcriogoogleosvscanneractionv192_9[7](https://github.com/google/oss-fuzz-gen/actions/runs/14024801098/job/39261639854#step:6:8)d538 --label c0daf3 --workdir /github/workspace --rm -e "INPUT_SCAN-ARGS" -e "HOME" -e "GITHUB_JOB" -e "GITHUB_REF" -e "GITHUB_SHA" -e "GITHUB_REPOSITORY" -e "GITHUB_REPOSITORY_OWNER" -e "GITHUB_REPOSITORY_OWNER_ID" -e "GITHUB_RUN_ID" -e "GITHUB_RUN_NUMBER" -e "GITHUB_RETENTION_DAYS" -e "GITHUB_RUN_ATTEMPT" -e "GITHUB_REPOSITORY_ID" -e "GITHUB_ACTOR_ID" -e "GITHUB_ACTOR" -e "GITHUB_TRIGGERING_ACTOR" -e "GITHUB_WORKFLOW" -e "GITHUB_HEAD_REF" -e "GITHUB_BASE_REF" -e "GITHUB_EVENT_NAME" -e "GITHUB_SERVER_URL" -e "GITHUB_API_URL" -e "GITHUB_GRAPHQL_URL" -e "GITHUB_REF_NAME" -e "GITHUB_REF_PROTECTED" -e "GITHUB_REF_TYPE" -e "GITHUB_WORKFLOW_REF" -e "GITHUB_WORKFLOW_SHA" -e "GITHUB_WORKSPACE" -e "GITHUB_ACTION" -e "GITHUB_EVENT_PATH" -e "GITHUB_ACTION_REPOSITORY" -e "GITHUB_ACTION_REF" -e "GITHUB_PATH" -e "GITHUB_ENV" -e "GITHUB_STEP_SUMMARY" -e "GITHUB_STATE" -e "GITHUB_OUTPUT" -e "RUNNER_OS" -e "RUNNER_ARCH" -e "RUNNER_NAME" -e "RUNNER_ENVIRONMENT" -e "RUNNER_TOOL_CACHE" -e "RUNNER_TEMP" -e "RUNNER_WORKSPACE" -e "ACTIONS_RUNTIME_URL" -e "ACTIONS_RUNTIME_TOKEN" -e "ACTIONS_CACHE_URL" -e "ACTIONS_RESULTS_URL" -e GITHUB_ACTIONS=true -e CI=true --entrypoint "/root/osv-reporter" -v "/var/run/docker.sock":"/var/run/docker.sock" -v "/home/runner/work/_temp/_github_home":"/github/home" -v "/home/runner/work/_temp/_github_workflow":"/github/workflow" -v "/home/runner/work/_temp/_runner_file_commands":"/github/file_commands" -v "/home/runner/work/oss-fuzz-gen/oss-fuzz-gen":"/github/workspace" ghcr.io/google/osv-scanner-action:v1.9.2  "--output=results.sarif
--new=results.json
--gh-annotations=false
--fail-on-vuln=true"
+-------------------------------------+------+-----------+---------+---------+------------------+
| OSV URL                             | CVSS | ECOSYSTEM | PACKAGE | VERSION | SOURCE           |
+-------------------------------------+------+-----------+---------+---------+------------------+
| https://osv.dev/GHSA-cpwx-vrp4-4pq7 | 5.4  | PyPI      | jinja2  | 3.1.5   | requirements.txt |
+-------------------------------------+------+-----------+---------+---------+------------------+
```

Author: DonggeLiu

requirements.in

@@ -6,7 +6,7 @@ google-api-python-client==2.143.0
 google-cloud-aiplatform==1.64.0
 google-cloud-storage==2.9.0
 google-cloud-logging==3.11.2
-Jinja2==3.1.5
+Jinja2==3.1.6
 openai==1.16.2
 pandas==2.2.2
 pylint==3.2.5