fix: update nestml to version 8.0.0 in Dockerfiles

Update the nestml package version from 8.0.0-rc3 to 8.0.0 in bothDockerfiles. change ensures that the latest stable version 
of nestml is used, improving compatibility and stability of the 
environment.

Author: steffengraber

src/3.8/Dockerfile

@@ -125,8 +125,8 @@ RUN mkdir ${SRC_PATH}/nest-build && cd $_ && \
     python3 -m pip install --upgrade scipy && \
     python3 -m pip install --upgrade gsl wheel setuptools swig
 
-#Latest update to nestml v8.0.0-rc3
-RUN python3 -m pip install NESTML==8.0.0rc3 && \
+#Latest update to nestml v8.0.0
+RUN python3 -m pip install NESTML==8.0.0 && \
     python3 -m pip install nestml-server@git+https://github.com/babsey/[email protected] && \
     python3 -m pip install --upgrade pygsl@git+https://github.com/pygsl/[email protected] && \
     python3 -m pip install pandas "numpy<=1.26"

src/dev/Dockerfile

@@ -131,8 +131,8 @@ python3 -m pip install --upgrade nest-desktop && \
 python3 -m pip install --upgrade scipy && \
 python3 -m pip install --upgrade gsl wheel setuptools swig
 
-#Latest update to nestml v8.0.0-rc3
-RUN python3 -m pip install nestml==8.0.0rc3 && \
+#Latest update to nestml v8.0.0
+RUN python3 -m pip install nestml==8.0.0 && \
 python3 -m pip install nestml-server@git+https://github.com/babsey/[email protected] && \
 python3 -m pip install --upgrade pygsl@git+https://github.com/pygsl/[email protected]