generate deps on 3.8, since libcst==1.2 requires 3.9+

deps/check.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --output-file=deps/check.txt deps/check.in setup.py
@@ -48,7 +48,7 @@ flake8-print==5.0.0
     # via -r deps/check.in
 flake8-simplify==0.21.0
     # via -r deps/check.in
-libcst==1.2.0
+libcst==1.1.0
     # via shed (setup.py)
 mccabe==0.7.0
     # via flake8
@@ -85,8 +85,13 @@ snowballstemmer==2.2.0
     # via pydocstyle
 tokenize-rt==5.2.0
     # via pyupgrade
+tomli==2.0.1
+    # via
+    #   black
+    #   mypy
 typing-extensions==4.10.0
     # via
+    #   black
     #   flake8-noqa
     #   libcst
     #   mypy

deps/test.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --output-file=deps/test.txt deps/test.in setup.py
@@ -14,6 +14,10 @@ com2ann==0.3.0
     # via shed (setup.py)
 coverage[toml]==7.4.3
     # via pytest-cov
+exceptiongroup==1.2.0
+    # via
+    #   hypothesis
+    #   pytest
 execnet==2.0.2
     # via pytest-xdist
 flake8==7.0.0
@@ -30,7 +34,7 @@ iniconfig==2.0.0
     # via pytest
 lark==1.1.9
     # via hypothesis
-libcst==1.2.0
+libcst==1.1.0
     # via
     #   hypothesmith
     #   shed (setup.py)
@@ -73,8 +77,14 @@ sortedcontainers==2.4.0
     # via hypothesis
 tokenize-rt==5.2.0
     # via pyupgrade
+tomli==2.0.1
+    # via
+    #   black
+    #   coverage
+    #   pytest
 typing-extensions==4.10.0
     # via
+    #   black
     #   libcst
     #   typing-inspect
 typing-inspect==0.9.0

tox.ini

@@ -30,6 +30,7 @@ commands =
 
 [testenv:deps]
 description = Updates test corpora and the pinned dependencies in `deps/*.txt`
+basepython = 3.8
 deps =
     pip-tools
 commands =