Pin pyproj to version 3.3.x in Docker image

For some reason pyproj 3.4.0 from pypi does not apply grids in
transformations to and from DVR90 (and probable also other cases).

This fixes the issue temporarily.

Dockerfile

@@ -22,8 +22,10 @@ COPY /app/main.py /app/main.py
 RUN apt update -y && apt upgrade -y
 
 RUN pip install --upgrade pip
-RUN pip install pyproj
+RUN pip install "pyproj<3.4.0"
+RUN pip install "flask>=2.1.0,<2.2.0"
 RUN pip install flask-restx flask-cors
 run pip install "Werkzeug>=2.1.0,<2.2.0"
 RUN pip install /webproj
-RUN pyproj sync --source-id dk_sdfe
+RUN pyproj sync --source-id dk_sdfe -v
+