ci: don't put a comment on PRs from dependabot or renovate (#895)

.github/workflows/immediate-response.yml

@@ -11,6 +11,7 @@ on:
       - opened
 jobs:
   respond-to-issue:
+    if: ${{ github.actor != 'dependabot[bot]' && github.actor != 'renovate[bot]' }}
     runs-on: ubuntu-latest
     steps:
       - name: Determine issue or PR number
@@ -25,4 +26,4 @@ jobs:
             👋 Hi! Thank you for this contribution! Just to let you know, our GitHub SDK team does a round of issue and PR reviews twice a week, every Monday and Friday!
             We have a [process in place](https://github.com/octokit/.github/blob/main/community/prioritization_response.md#overview) for prioritizing and responding to your input. 
             Because you are a part of this community please feel free to comment, add to, or pick up any issues/PRs that are labled with `Status: Up for grabs`.
-            You & others like you are the reason all of this works! So thank you & happy coding! 🚀
+            You & others like you are the reason all of this works! So thank you & happy coding! 🚀