CI: update build for new CI

Update for Ubuntu 24.04 runners:
- use venv for installing kas
- add missing directories

Assume that python3 and pip are installed.

Signed-off-by: Marta Rybczynska <marta.rybczynska@ygreky.com>
Signed-off-by: Scott Murray <scott.murray@konsulko.com>

.gitlab-ci.yml

@@ -1,10 +1,12 @@
 .before-my-script: &before-my-script
     - echo "$ERR_REPORT_USERNAME" > ~/.oe-send-error
     - echo "$ERR_REPORT_EMAIL" >> ~/.oe-send-error
+    - echo "$CI_PROJECT_DIR" >> ~/.ci_project_dir
     - export PATH=~/.local/bin:$PATH
-    - wget https://bootstrap.pypa.io/get-pip.py
-    - python3 get-pip.py
+    - python3 -m venv ~/kas_env/
+    - source ~/kas_env/bin/activate
     - python3 -m pip install kas
+    - mkdir -p $CI_PROJECT_DIR/build/tmp/log/error-report/
 
 .after-my-script: &after-my-script
     - cd $CI_PROJECT_DIR/poky