fix: docs/samples/v1beta1/triton/bert/bert_tokenizer_v2/Dockerfile to…

… reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-5927132
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-5927132
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-6210098
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-6210098
- https://snyk.io/vuln/SNYK-DEBIAN12-EXPAT-7855502

docs/samples/v1beta1/triton/bert/bert_tokenizer_v2/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.7-slim
+FROM python:3.13-slim
 RUN  apt-get update \
   && apt-get install -y wget \
   && rm -rf /var/lib/apt/lists/*