Use correct env name

.github/workflows/linux.yml

@@ -121,23 +121,23 @@ jobs:
       - name: Create random build folder
         run: tmp_build=$(mktemp -d) && echo "RANDOM_BUILD_DIR=$tmp_build" >> $GITHUB_ENV
       - name: Configure
-        run: cmake -GNinja ${{ matrix.CMAKE_ARGS }} -B ${{ env.RANDOM_DIR }} && cmake -LA -N
+        run: cmake -GNinja ${{ matrix.CMAKE_ARGS }} -B ${{ env.RANDOM_BUILD_DIR }} && cmake -LA -N
       - name: Build
         run: ninja
-        working-directory: ${{ env.RANDOM_DIR }}
+        working-directory: ${{ env.RANDOM_BUILD_DIR }}
       - name: Run tests
         timeout-minutes: 60
-        run: python3 -m pytest --verbose --ignore=tests/test_code_conventions.py --numprocesses=auto ${{ matrix.PYTEST_ARGS }} ${{ env.RANDOM_DIR }}/tests
+        run: python3 -m pytest --verbose --ignore=tests/test_code_conventions.py --numprocesses=auto ${{ matrix.PYTEST_ARGS }} ${{ env.RANDOM_BUILD_DIR }}/tests
       - name: Package .deb
         if: matrix.name == 'jammy-std-openssl3'
         run: cpack
-        working-directory: ${{ env.RANDOM_DIR }}
+        working-directory: ${{ env.RANDOM_BUILD_DIR }}
       - name: Retain .deb file
         if: matrix.name == 'jammy-std-openssl3'
         uses: actions/upload-artifact@1746f4ab65b179e0ea60a494b83293b640dd5bba # pin@v4
         with:
           name: liboqs-openssl3-shared-x64
-          path: ${{ env.RANDOM_DIR }}/*.deb
+          path: ${{ env.RANDOM_BUILD_DIR }}/*.deb
       - name: Check STD algorithm and alias
         if: matrix.name == 'jammy-std-openssl3'
         run: 'tests/dump_alg_info | grep -zoP "ML-DSA-44:\n    isnull: false" && tests/dump_alg_info | grep -zoP "ML-KEM-512:\n    isnull: false"'