chore: add bit about dependencies

.forgejo/pull_request_template.yml

@@ -33,6 +33,15 @@ body:
         - label: My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).
           validations:
             required: true
+  - type: checkboxes
+    id: dependencies
+    attributes:
+      label: Dependencies
+      description: "My pull request adds or updates dependencies, so:"
+      options:
+        - label: I have pinned the dependencies to a specific patch version.
+          validations:
+            required: false
   - type: checkboxes
     id: style
     attributes: