Update to conan 2.0.8

.gitlab-ci.yml

 variables:
-  CONAN_VERSION: "2.0.7"
+  CONAN_VERSION: "2.0.8"
   PYTHON_VERSION: "3.6.13"
 
 workflow:

README.md

@@ -2,9 +2,9 @@
 
 ## Pipeline to create Conan package for Linux
 
-Conan 2.0.7 for:
-* Linux 32 bits: [conan-2.0.7-linux-i686.zip](https://gitlab.synchrotron-soleil.fr/software-control-system/devtools/conan/-/jobs/artifacts/2.0.7/download?job=linux-i686)
-* Linux 64 bits: [conan-2.0.7-linux-x86_64.zip](https://gitlab.synchrotron-soleil.fr/software-control-system/devtools/git/-/jobs/artifacts/2.0.7/download?job=linux-x86_64)
+Conan 2.0.8 for:
+* Linux 32 bits: [conan-2.0.8-linux-i686.zip](https://gitlab.synchrotron-soleil.fr/software-control-system/devtools/conan/-/jobs/artifacts/2.0.8/download?job=linux-i686)
+* Linux 64 bits: [conan-2.0.8-linux-x86_64.zip](https://gitlab.synchrotron-soleil.fr/software-control-system/devtools/git/-/jobs/artifacts/2.0.8/download?job=linux-x86_64)
 
 ## Python script to create Conan package for Windows 32 bits
 
@@ -19,6 +19,6 @@ To launch build:
 python build-windows-i386.py
 ```
 
-The build deliveries the archive `build\conan-2.0.7-windows-i386.zip`
+The build deliveries the archive `build\conan-2.0.8-windows-i386.zip`
 
-Tested with python 3.7 on Windows 7 32 bits. Warning, it is mandatory to use installed version python on Windows 7 to include all dll in package with PytInstaller.
+Tested with python 3.6 on Windows 7 32 bits. Warning, it is mandatory to use installed version python on Windows 7 to include all dll in package with PytInstaller.

build-windows-i386.py

@@ -3,7 +3,7 @@ import subprocess
 import urllib.request
 import shutil
 
-CONAN_VERSION = '2.0.7'
+CONAN_VERSION = '2.0.8'
 
 CONAN_ROOT = os.path.dirname(os.path.abspath(__file__))