[#54920] .ci.yml: Added usage of venv

Signed-off-by: Grzegorz Latosinski <glatosinski@antmicro.com>

.ci.yml

@@ -24,6 +24,7 @@ image: $CI_IMAGE
         - scripts/prepare_zephyr_env.sh
         - scripts/prepare_modules.sh
         - mkdir -p artifacts
+        - source .venv/bin/activate
     script:
         - |
           if [ "$RUNTIME" != "stub" ]
@@ -122,6 +123,7 @@ unit-tests:
     stage: tests
     before_script:
         - scripts/prepare_zephyr_env.sh
+        - source .venv/bin/activate
     script:
         - west twister -T tests -p unit_testing
     artifacts:

README.md

@@ -52,14 +52,14 @@ After entering the project's directory, initialize a Zephyr workspace with:
 
 ```bash
 ./scripts/prepare_zephyr_env.sh
+source .venv/bin/activate
 ```
 
 This will:
 
 * Download (if necessary) and set up Zephyr SDK
 * Download necessary toolchains
-* Set up Python virtual environment with necessary dependencies
-* Configure all necessary variables.
+* Set up Python virtual environment with necessary dependencies.
 
 This can be reused to load all necessary environment before launching commands mentioned later in the README.md.