Bump Matplotlib to 3.6

Author: dstansby

Diff for: requirements/requirements.in

@@ -2,7 +2,7 @@ autopep8
 bump2version
 cartopy==0.22.0
 flake8
-matplotlib==3.5.0
+matplotlib==3.6.3
 mpl-sphinx-theme
 pillow>=9
 pdfx

Diff for: requirements/requirements.txt

@@ -34,6 +34,8 @@ charset-normalizer==2.0.12
     # via requests
 click==8.0.4
     # via pip-tools
+contourpy==1.2.0
+    # via matplotlib
 cryptography==36.0.1
     # via pdfminer-six
 cycler==0.11.0
@@ -62,7 +64,7 @@ kiwisolver==1.3.2
     # via matplotlib
 markupsafe==2.1.0
     # via jinja2
-matplotlib==3.5.0
+matplotlib==3.6.3
     # via
     #   -r requirements.in
     #   cartopy
@@ -75,13 +77,13 @@ nodeenv==1.6.0
 numpy==1.22.2
     # via
     #   cartopy
+    #   contourpy
     #   matplotlib
     #   scipy
 packaging==21.3
     # via
     #   cartopy
     #   matplotlib
-    #   setuptools-scm
     #   sphinx
 pdfminer-six==20201018
     # via pdfx
@@ -129,8 +131,6 @@ requests==2.27.1
     # via sphinx
 scipy==1.8.0
     # via -r requirements.in
-setuptools-scm==6.4.2
-    # via matplotlib
 shapely==1.8.1.post1
     # via cartopy
 six==1.16.0
@@ -164,9 +164,7 @@ toml==0.10.2
     #   autopep8
     #   pre-commit
 tomli==2.0.1
-    # via
-    #   pep517
-    #   setuptools-scm
+    # via pep517
 urllib3==1.26.8
     # via requests
 virtualenv==20.13.1