remove bullseye from test; common step to activate venv

Author: patapenka-alexey

.github/workflows/packing.yml

@@ -467,8 +467,8 @@ jobs:
 
       matrix:
         target:
-        - os: debian
-          dist: bullseye # 11
+        # - os: debian
+        #   dist: bullseye # 11
         - os: debian
           dist: bookworm # 12
         - os: ubuntu
@@ -510,17 +510,15 @@ jobs:
         env:
           DEBIAN_FRONTEND: noninteractive
 
-      - name: Install test requirements
-        run: pip3 install -r requirements-test.txt
-        if: matrix.target.os == 'ubuntu'
-
-      - name: Install test requirements
+      - name: Activate venv
         run: |
           apt install -y python3.11-venv
           python3 -m venv .venv
           . .venv/bin/activate
-          pip3 install -r requirements-test.txt
-        if: matrix.target.os == 'debian'
+        # if: matrix.target.os == 'debian'
+
+      - name: Install test requirements
+        run: pip3 install -r requirements-test.txt'
 
       - name: Install the crud module for testing purposes
         run: |