[llvm] [CI] Add mention of LLVM Developer Policy in email-check message (NFC) (PR #143300)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-github-workflow

Author: Baranov Victor (vbvictor)

<details>
<summary>Changes</summary>

As for now, It may be hard for people to get truth from long Discourse discussion, so a link to official document may be enough to convince changing email from private to public.

---
Full diff: https://github.com/llvm/llvm-project/pull/143300.diff


1 Files Affected:

- (modified) .github/workflows/email-check.yaml (+2-1) 


``````````diff
diff --git a/.github/workflows/email-check.yaml b/.github/workflows/email-check.yaml
index f4481d5cf5583..904ad718f97dd 100644
--- a/.github/workflows/email-check.yaml
+++ b/.github/workflows/email-check.yaml
@@ -32,7 +32,8 @@ jobs:
           COMMENT: >-
             ⚠️ We detected that you are using a GitHub private e-mail address to contribute to the repo.<br/>
             Please turn off [Keep my email addresses private](https://github.com/settings/emails) setting in your account.<br/>
-            See [LLVM Discourse](https://discourse.llvm.org/t/hidden-emails-on-github-should-we-do-something-about-it) for more information.
+            See [LLVM Developer Policy](https://llvm.org/docs/DeveloperPolicy.html#email-addresses) and
+            [LLVM Discourse](https://discourse.llvm.org/t/hidden-emails-on-github-should-we-do-something-about-it) for more information.
         run: |
           cat << EOF > comments
           [{"body" : "$COMMENT"}]

``````````

</details>


https://github.com/llvm/llvm-project/pull/143300