Bump idna from 3.4 to 3.7 in /doc (#820)

doc/requirements.txt

@@ -21,8 +21,8 @@ docutils==0.20.1
 gitdb==4.0.10
     # via gitpython
 gitpython==3.1.43
-    # via -r doc/requirements.in
-idna==3.4
+    # via -r requirements.in
+idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx
@@ -33,7 +33,7 @@ latexcodec==2.0.1
 markupsafe==2.1.3
     # via jinja2
 numpydoc==1.7.0
-    # via -r doc/requirements.in
+    # via -r requirements.in
 packaging==23.1
     # via sphinx
 pybtex==0.24.0
@@ -58,18 +58,18 @@ snowballstemmer==2.2.0
     # via sphinx
 sphinx==7.2.6
     # via
-    #   -r doc/requirements.in
+    #   -r requirements.in
     #   numpydoc
     #   sphinx-rtd-theme
     #   sphinxcontrib-bibtex
     #   sphinxcontrib-jquery
     #   sphinxcontrib-serializinghtml
 sphinx-rtd-theme==2.0.0
-    # via -r doc/requirements.in
+    # via -r requirements.in
 sphinxcontrib-applehelp==1.0.4
     # via sphinx
 sphinxcontrib-bibtex==2.6.2
-    # via -r doc/requirements.in
+    # via -r requirements.in
 sphinxcontrib-devhelp==1.0.2
     # via sphinx
 sphinxcontrib-htmlhelp==2.0.1