fix: generalize OP community issue (#2220)

.github/ISSUE_TEMPLATE/8.op_collective.yml

@@ -0,0 +1,22 @@
+name: 'OP Collective'
+description: A request related to Optimism datasets or Retro Funding metrics
+title: 'OP: '
+body:
+  - type: textarea
+    attributes:
+      label: What would you like to see? Please provide a clear and concise description of what you want
+      description: 'Examples: Propose some ideas for impact metrics related to interop; Create a new collection for Rust packages; Organize a data challenge to rank OP stack dependencies by network importance.'
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Is there any additional context you can share? Feel free to include notes or screenshots that can help us research and track the issue.
+      description: 'Examples: Summary of notes from a recent community call; Screenshot of a Telegram chat with badgeholders.'
+    validations:
+      required: false
+  - type: input
+    attributes:
+      label: Is there a write-up or doc associated with this issue? Please link to it.
+      description: 'Example: https://www.notion.so/templates/product-spec'
+    validations:
+      required: false