Updated docs build requirements to accommodate change in readthedocs'…

… system.

docs/requirements.in

@@ -1,2 +1,2 @@
-sphinx==4.5.0
+sphinx==7.0.1
 sphinxcontrib-programoutput==0.17

docs/requirements.txt

@@ -1,38 +1,58 @@
 #
-# This file is autogenerated by pip-compile with python 3.10
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.11
+# by the following command:
 #
-#    pip-compile docs/requirements.in
+#    pip-compile --output-file=docs/requirements.txt docs/requirements.in pyproject.toml
 #
 alabaster==0.7.12
     # via sphinx
 babel==2.11.0
     # via sphinx
+biopython==1.81
+    # via tacl (pyproject.toml)
 certifi==2022.12.7
     # via requests
 charset-normalizer==2.1.1
     # via requests
-docutils==0.17.1
+colorlog==6.7.0
+    # via tacl (pyproject.toml)
+docutils==0.20.1
     # via sphinx
 idna==3.4
     # via requests
 imagesize==1.4.1
     # via sphinx
 jinja2==3.1.2
-    # via sphinx
+    # via
+    #   sphinx
+    #   tacl (pyproject.toml)
+lxml==4.9.3
+    # via tacl (pyproject.toml)
 markupsafe==2.1.1
     # via jinja2
+numpy==1.25.2
+    # via
+    #   biopython
+    #   pandas
 packaging==22.0
     # via sphinx
+pandas==2.0.3
+    # via tacl (pyproject.toml)
 pygments==2.14.0
     # via sphinx
+python-dateutil==2.8.2
+    # via pandas
 pytz==2022.7
-    # via babel
+    # via
+    #   babel
+    #   pandas
 requests==2.28.1
     # via sphinx
+six==1.16.0
+    # via python-dateutil
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==4.5.0
+sphinx==7.0.1
     # via
     #   -r docs/requirements.in
     #   sphinxcontrib-programoutput
@@ -50,5 +70,7 @@ sphinxcontrib-qthelp==1.0.3
     # via sphinx
 sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
+tzdata==2023.3
+    # via pandas
 urllib3==1.26.13
     # via requests