Run analyse job also manual on forks.

Containers/dockerfiles/Ubuntu20_04.Dockerfile

@@ -9,8 +9,9 @@
 # openmp
 # cuda 11.3.1 as base image
 # freeGLUT
+# cppcheck
 # clang 10.0 (default)
-# python pip3 with modules: setuptools, wheels, scikit-build, pyvista, numpy, ansible
+# python pip3 with modules: setuptools, wheels, scikit-build, pyvista, numpy, ansible, gcovr
 
 FROM nvidia/cuda:11.3.1-devel-ubuntu20.04
 
@@ -31,6 +32,7 @@ RUN apt-get update &&   \
     libclang-dev        \
     python3-pip         \
     freeglut3-dev       \
+    cppcheck            \
     && mkdir -p /usr/local/cmake/ && cd /usr/local/cmake/ \
     && version=3.22 && build=3 \
     && wget https://cmake.org/files/v$version/cmake-$version.$build-linux-x86_64.tar.gz \
@@ -42,4 +44,5 @@ RUN apt-get update &&   \
         scikit-build     \
         pyvista          \
         numpy            \
-        ansible          \
\ No newline at end of file
+        ansible          \
+        gcovr==5.1
\ No newline at end of file