Supposedly dependabot supports pip-compile, let's see.

Julian · Julian · commit b7e67c7485ea · 2023-05-23T15:26:05.000-04:00
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
@@ -9,3 +9,13 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "pip"
+    directory: "/docs"
+    schedule:
+      interval: "weekly"
