set path for coveralls

Author: hendrikmuhs

.github/workflows/keyvi.yml

@@ -82,7 +82,8 @@ jobs:
       - name: Coverage
         if: matrix.type == 'Coverage'
         run: |
-          python -m pip install git+https://github.com/hendrikmuhs/cpp-coveralls.git@gcov-template-coverage
+          python -m pip install git+https://github.com/hendrikmuhs/cpp-coveralls.git@gcov-template-coverage --user
+          export PATH="/home/runner/.local/bin:$PATH"
           coveralls -r . -b build/ -i keyvi \
             --gcov-options '\-lp' \
             -E '.*/keyvi/3rdparty/.*' \