Sort requirements list

Makes it easier to update this list in the future, if we don't mess it up again.

requirements.txt

@@ -1,38 +1,38 @@
-cffi==1.14.1
-colorlog
-cryptography==3.4.8
-importlib-metadata==3.7.2
-mypy==0.740
-numpy==1.20.2
-PyQt5==5.15.2
-PyQt5-sip==12.8.1
-scipy==1.6.2
-shapely[vectorized]==1.7.1
-twisted==21.2.0
-typing
 appdirs==1.4.3
 certifi==2019.11.28
+cffi==1.14.1
 chardet==3.0.4
+colorlog
+comtypes==1.1.7
+cryptography==3.4.8
 decorator==4.4.0
 idna==2.8
+importlib-metadata==3.7.2
+keyring==23.0.1
+lxml==4.6.3
+mypy==0.740
 netifaces==0.10.9
 networkx==2.6.2
+numpy==1.20.2
 numpy-stl==2.10.1
 packaging==18.0
 pycollada==0.6
 pycparser==2.20
 pyparsing==2.4.2
+PyQt5==5.15.2
+PyQt5-sip==12.8.1
 pyserial==3.4
 pytest
 python-dateutil==2.8.0
 python-utils==2.3.0
+pywin32==301
 requests==2.22.0
+scipy==1.6.2
 sentry-sdk==0.13.5
+shapely[vectorized]==1.7.1
 six==1.12.0
 trimesh==3.2.33
-zeroconf==0.31.0
-comtypes==1.1.7
-pywin32==301
-keyring==23.0.1
+twisted==21.2.0
+typing
 urllib3==1.25.9
-lxml==4.6.3
+zeroconf==0.31.0