feat: Change python used by asic spack to python3

* change python3 to 3.8.3 to reflect base install version

Depends-On: 21800
Change-Id: I34e4c33a68b23b9acda09cee48b7783c7bc2d6f7

.ci/Jenkinsfile_asic

@@ -38,7 +38,7 @@ pipeline {
 				DOCKER_BASE_IMAGE = "centos:7"
 				// versions from system packages
 				DEPENDENCY_PYTHON = "python@2.7.5"
-				DEPENDENCY_PYTHON3 = "python@3.6.8"
+				DEPENDENCY_PYTHON3 = "python@3.8.3"
 				YASHCHIKI_IMAGE_NAME = "singularity_asic_temp.img"
 				YASHCHIKI_SANDBOXES = "sandboxes"
 				YASHCHIKI_PROXY_HTTP = "http://proxy.kip.uni-heidelberg.de:8080"

.ci/asic_create_recipe.sh

@@ -202,6 +202,9 @@ From: ${DOCKER_BASE_IMAGE}
     # YS: teststand dependencies (no python in spack yet)
     /opt/conda/bin/conda install -y numpy matplotlib
 
+    # PS: needed for notebook package below
+    /opt/conda/bin/conda install -c conda-forge -y importlib_metadata
+
     # PD: jupyter notebook and ipython for more comfort
     /opt/conda/bin/conda install -c conda-forge -y notebook
     /opt/conda/bin/conda install -c conda-forge -y nb_conda_kernels

.ci/asic_spack_collection.sh

 # All spack packages that should be fetched/installed in the container
 spack_packages=(
 #    "${SPEC_VIEW_VISIONARY_DEV_TOOLS}" # FIXME
-    "visionary-asic ^${DEPENDENCY_PYTHON} %${YASHCHIKI_SPACK_GCC}"
+    "visionary-asic ^${DEPENDENCY_PYTHON3} %${YASHCHIKI_SPACK_GCC}"
 )
 
 spack_views=(\