ci: disabled dependabot configs for submodules and pip

.github/dependabot.yml

@@ -1,20 +1,22 @@
 # Set update schedule for GitHub Actions
 version: 2
 updates:
-  # Maintain submodule versions
-  - package-ecosystem: "gitsubmodule"
-    directory: "/"
-    schedule:
-      interval: "monthly"
-
   # Maintain dependencies for GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "monthly"
 
+  # Maintain submodule versions
+  # NOTE: too noisy, easier to update by hand
+  #- package-ecosystem: "gitsubmodule"
+  #  directory: "/"
+  #  schedule:
+  #    interval: "monthly"
+
   # Maintain dependencies for pip/poetry
-  - package-ecosystem: "pip"
-    directory: "/"
-    schedule:
-      interval: "monthly"
+  # NOTE: too noisy, easier to update by hand
+  #- package-ecosystem: "pip"
+  #  directory: "/"
+  #  schedule:
+  #    interval: "monthly"