cmake-oldest-deps-ci failing during vcpkg install: SSL certificate problem

[colinmoy]

cmake-oldest-deps-ci is failing during the initial configuration step.

The build fails to download CMake via vcpkg due to an SSL certificate error and libcurl warnings.

Logs:

Step #2 - "build.sh": -- Running vcpkg install
Step #2 - "build.sh": A suitable version of cmake was not found (required v3.31.10).
Step #2 - "build.sh": Downloading https://github.com/Kitware/CMake/releases/download/v3.31.10/cmake-3.31.10-linux-x86_64.tar.gz -> cmake-3.31.10-linux-x86_64.tar.gz
Step #2 - "build.sh": error: curl: /usr/local/lib/libcurl.so.4: no version information available (required by curl)
Step #2 - "build.sh": error: curl: (60) SSL certificate problem: self-signed certificate

Failed Build Link: https://pantheon.corp.google.com/cloud-build/builds;region=us-east1/6668e5ac-fc15-42b2-975b-57e52b4fb942?pli=1&project=cloud-cpp-testing-resources&e=-13802955&mods=logs_tg_prod