Upgrade conan in linux build

Author: davidhjp01

.github/workflows/upload-conan-pkgs.yml

@@ -43,6 +43,7 @@ jobs:
           set -eu
           cd /mnt/source
           conan remote add osp https://osp.jfrog.io/artifactory/api/conan/conan-local --force
+          pip install conan --user --upgrade
           conan profile detect --force
           REFNAME="${GITHUB_REF#refs/*/}"
           VERSION="v$(<version.txt)"