⬆️ Update docs requirements

Author: veit

docs/constraints.txt

@@ -14,14 +14,14 @@ cycler==0.11.0
 debugpy==1.6.7
 decorator==5.1.1
 defusedxml==0.7.1
-docutils==0.19
+docutils==0.20.1
 executing==1.2.0
-fastjsonschema==2.16.3
-fonttools==4.39.3
-furo==2023.3.27
+fastjsonschema==2.17.1
+fonttools==4.39.4
+furo==2023.5.20
 idna==3.4
 imagesize==1.4.1
-ipykernel==6.23.0
+ipykernel==6.23.1
 ipython==8.13.2
 ipywidgets==8.0.6
 jedi==0.18.2
@@ -36,10 +36,10 @@ MarkupSafe==2.1.2
 matplotlib==3.7.1
 matplotlib-inline==0.1.6
 mistune==2.0.5
-nbclient==0.7.4
+nbclient==0.8.0
 nbconvert==7.4.0
 nbformat==5.8.0
-nbsphinx==0.9.1
+nbsphinx==0.9.2
 nest-asyncio==1.5.6
 numpy==1.24.3
 packaging==23.1
@@ -48,7 +48,7 @@ parso==0.8.3
 pexpect==4.8.0
 pickleshare==0.7.5
 Pillow==9.5.0
-platformdirs==3.5.0
+platformdirs==3.5.1
 prompt-toolkit==3.0.38
 psutil==5.9.5
 ptyprocess==0.7.0
@@ -57,12 +57,12 @@ Pygments==2.15.1
 pyparsing==3.0.9
 pyrsistent==0.19.3
 python-dateutil==2.8.2
-pyzmq==25.0.2
-requests==2.30.0
+pyzmq==25.1.0
+requests==2.31.0
 six==1.16.0
 snowballstemmer==2.2.0
 soupsieve==2.4.1
-Sphinx==6.2.1
+Sphinx==7.0.1
 sphinx-basic-ng==1.0.0b1
 sphinx-copybutton==0.5.2
 sphinx_inline_tabs==2023.4.21
@@ -76,7 +76,7 @@ sphinxcontrib-svg2pdfconverter==1.2.2
 sphinxext-opengraph==0.8.2
 stack-data==0.6.2
 tinycss2==1.2.1
-tornado==6.3.1
+tornado==6.3.2
 traitlets==5.9.0
 urllib3==2.0.2
 wcwidth==0.2.6