Update to conan 2.0.1

.gitlab-ci.yml

 variables:
-  CONAN_VERSION: "1.59.0"
+  CONAN_VERSION: "2.0.1"
   PYTHON_VERSION: "3.6.13"
 
 workflow:
@@ -21,7 +21,7 @@ stages:
     - unzip -q ${PYTHON_ROOT}.zip -d ${CI_PROJECT_DIR}
     - rm -f ${PYTHON_ROOT}.zip
     # Install conan
-    - ${CI_PROJECT_DIR}/${PYTHON_ROOT}/bin/python -m pip install -q --no-cache-dir --prefix=${CI_PROJECT_DIR}/${CONAN_ROOT} conan==${CONAN_VERSION} conan-package-tools
+    - ${CI_PROJECT_DIR}/${PYTHON_ROOT}/bin/python -m pip install -q --no-cache-dir --prefix=${CI_PROJECT_DIR}/${CONAN_ROOT} conan==${CONAN_VERSION}
     # Fix python shebang to make it independent of install path
     - grep -I -r -l  "^#\!${CI_PROJECT_DIR}/${PYTHON_ROOT}/bin/python.*$" ${CI_PROJECT_DIR}/${CONAN_ROOT} | xargs sed -i '1c\#\!/usr/bin/env python'
     # Clean pycache