feat: freeze edx-sandbox requirements for redwood

We ran:

    cp requirements/edx-sandbox/base.txt \
       requirements/edx-sandbox/releases/redwood.txt

requirements/edx-sandbox/README.rst

@@ -54,7 +54,7 @@ releases/quince.txt
 * Frozen between the Quince and Redwood releases
 * Supports only Python 3.8
 
-releases/redwood.txt (FUTURE PLAN)
+releases/redwood.txt
 ----------------------------------
 
 * Frozen at the time of the Redwood release

requirements/edx-sandbox/releases/redwood.txt

@@ -0,0 +1,93 @@
+#
+# This file is autogenerated by pip-compile with Python 3.8
+# by the following command:
+#
+#    make upgrade
+#
+cffi==1.16.0
+    # via cryptography
+chem==1.3.0
+    # via -r requirements/edx-sandbox/base.in
+click==8.1.6
+    # via
+    #   -c requirements/edx-sandbox/../constraints.txt
+    #   nltk
+codejail-includes==1.0.0
+    # via -r requirements/edx-sandbox/base.in
+contourpy==1.1.1
+    # via matplotlib
+cryptography==42.0.7
+    # via -r requirements/edx-sandbox/base.in
+cycler==0.12.1
+    # via matplotlib
+fonttools==4.51.0
+    # via matplotlib
+importlib-resources==6.4.0
+    # via matplotlib
+joblib==1.4.2
+    # via nltk
+kiwisolver==1.4.5
+    # via matplotlib
+lxml==4.9.4
+    # via
+    #   -c requirements/edx-sandbox/../constraints.txt
+    #   -r requirements/edx-sandbox/base.in
+    #   openedx-calc
+markupsafe==2.1.5
+    # via
+    #   chem
+    #   openedx-calc
+matplotlib==3.7.5
+    # via -r requirements/edx-sandbox/base.in
+mpmath==1.3.0
+    # via sympy
+networkx==3.1
+    # via -r requirements/edx-sandbox/base.in
+nltk==3.8.1
+    # via
+    #   -r requirements/edx-sandbox/base.in
+    #   chem
+numpy==1.24.4
+    # via
+    #   chem
+    #   contourpy
+    #   matplotlib
+    #   openedx-calc
+    #   scipy
+openedx-calc==3.1.0
+    # via -r requirements/edx-sandbox/base.in
+packaging==24.0
+    # via matplotlib
+pillow==10.3.0
+    # via matplotlib
+pycparser==2.22
+    # via cffi
+pyparsing==3.1.2
+    # via
+    #   -r requirements/edx-sandbox/base.in
+    #   chem
+    #   matplotlib
+    #   openedx-calc
+python-dateutil==2.9.0.post0
+    # via matplotlib
+random2==1.0.2
+    # via -r requirements/edx-sandbox/base.in
+regex==2024.4.28
+    # via nltk
+scipy==1.10.1
+    # via
+    #   -r requirements/edx-sandbox/base.in
+    #   chem
+    #   openedx-calc
+six==1.16.0
+    # via
+    #   codejail-includes
+    #   python-dateutil
+sympy==1.12
+    # via
+    #   -r requirements/edx-sandbox/base.in
+    #   openedx-calc
+tqdm==4.66.4
+    # via nltk
+zipp==3.18.1
+    # via importlib-resources