images/upi-installer: pin version of pyopenssl

Newer versions removed `load_pkcs12` causing `gsutil` to fail with the
unhelpful message:
```
CommandException: The signurl command requires the pyopenssl library (try pip install pyopenssl or easy_install pyopenssl)
```

Author: r4f4

images/installer/Dockerfile.upi.ci

@@ -58,7 +58,8 @@ RUN curl -sSL "${ALIYUN_URI}" --output /tmp/aliyun-cli-linux-latest-amd64.tgz &&
   rm -f /tmp/aliyun-cli-linux-latest-amd64.tgz
 
 # Not packaged, but required by gcloud. See https://cloud.google.com/sdk/crypto
-RUN pip-3 install cryptography pyOpenSSL
+# Pin version because of https://github.com/GoogleCloudPlatform/gsutil/issues/1753
+RUN pip-3 install cryptography pyOpenSSL==23.2.0
 
 ENV CLOUDSDK_PYTHON=/usr/bin/python
 ENV CLOUDSDK_PYTHON_SITEPACKAGES=1