Upgrade to Pants 2.29.0 (#47)

Author: cburroughs

.flake8

@@ -1,5 +1,9 @@
 [flake8]
+#  E203 -> whitespace before ':' (conflicts with Black)
+#  E231 -> Bad trailing comma (conflicts with Black)
+#  E501 -> line too long (conflicts with Black)
+
 extend-ignore:
-  E203,  # whitespace before ':' (conflicts with Black)
-  E231,  # Bad trailing comma (conflicts with Black)
-  E501,  # line too long (conflicts with Black)
+  E203,
+  E231,
+  E501,

.github/workflows/pants.yaml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python-version: [3.9]
+        python-version: [3.12]
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v4