Use the init/bash in the repo, not the one shipped by EESSI

Author: ocaisa

.github/workflows/tests_eessi_module.yml

@@ -72,7 +72,7 @@ jobs:
           module load EESSI/${{matrix.EESSI_VERSION}}
           env | grep -E '^(EESSI_S|EESSI_C)' | sort > "${moduleoutfile}"
           module unload EESSI/${{matrix.EESSI_VERSION}}
-          source /cvmfs/software.eessi.io/versions/${{matrix.EESSI_VERSION}}/init/bash
+          source ./init/bash
           env | grep -E '^(EESSI_S|EESSI_C)' | sort > "${sourceoutfile}"
           cat "${moduleoutfile}"
           cat "${sourceoutfile}"