Added version info to requirements

requirements.txt

-dash
-dash-ag-grid
-dash-leaflet
-dash-bootstrap-components
-flask
+dash~=2.10.1
+dash-ag-grid~=2.2.0
+dash-leaflet~=0.1.23
+dash-bootstrap-components~=1.4.1
+flask~=2.2.3
 gunicorn
-plotly
-pandas
-toml
-XlsxWriter
+plotly~=5.14.1
+pandas~=2.0.2
+toml~=0.10.2
+XlsxWriter~=3.1.2