Update requirements.

Author: Julian

docs/requirements.txt

@@ -10,7 +10,7 @@ attrs==22.2.0
     # via referencing
 babel==2.12.1
     # via sphinx
-beautifulsoup4==4.12.0
+beautifulsoup4==4.12.2
     # via furo
 certifi==2022.12.7
     # via requests
@@ -26,9 +26,9 @@ docutils==0.19
     # via
     #   sphinx
     #   sphinx-click
-fonttools==4.39.2
+fonttools==4.39.3
     # via matplotlib
-furo==2022.12.7
+furo==2023.3.27
     # via -r docs/requirements.in
 idna==3.4
     # via
@@ -56,11 +56,11 @@ packaging==23.0
     # via
     #   matplotlib
     #   sphinx
-pillow==9.4.0
+pillow==9.5.0
     # via matplotlib
 pyenchant==3.2.2
     # via sphinxcontrib-spelling
-pygments==2.14.0
+pygments==2.15.0
     # via
     #   furo
     #   pygments-github-lexers

test-requirements.txt

@@ -6,7 +6,6 @@
 #
 attrs==22.2.0
     # via
-    #   pytest
     #   pytest-subtests
     #   referencing
 iniconfig==2.0.0
@@ -15,7 +14,7 @@ packaging==23.0
     # via pytest
 pluggy==1.0.0
     # via pytest
-pytest==7.2.2
+pytest==7.3.0
     # via
     #   -r test-requirements.in
     #   pytest-subtests