meta(issues): Use external links in issue templates for support (#17747)

In courtesy of @dashed

* better language

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,22 +1,19 @@
 ---
 name: 🐞 Bug Report
 about: Report a bug to help improve Sentry
-
 ---
 
-<!--
-
-Do you want to ask a question? Are you looking for support? The Sentry message
-board is the best place for getting support: https://forum.sentry.io
--->
-
 ## Important Details
 
 How are you running Sentry?
 
-* [ ] On-Premise docker [Version xyz]
-* [ ] Saas (sentry.io)
-* [ ] Other [briefly describe your environment]
+<!-- Please pick one of the following -->
+On-Premise w/ Docker, version x.y.z
+<!-- --------------- -->
+Saas (sentry.io)
+<!-- --------------- -->
+Other, version x.y.z, [briefly describe your environment]
+<!-- --------------- -->
 
 ## Description
 
@@ -31,7 +28,7 @@ How are you running Sentry?
 Good items to include here include:
 
 - Include a stacktrace or other logs when relevant
-- Include a redacted version of your configuration when relevant
+- Include a redacted version of your configuration (`sentry.conf.py` and `config.yml` files) when relevant
 
 ### What you expected to happen
 

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Support Request
+    url: https://sentry.io/support
+    about: Use our dedicated support channel for paid accounts.
+  - name: Ask a question about self-hosting/on-premise
+    url: https://forum.sentry.io
+    about: Please use the community forums for questions about self-hosting.
+  - name: Report a security vulnerability
+    url: https://sentry.io/security/#vulnerability-disclosure
+    about: Please see our guide for responsible disclosure.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -6,10 +6,7 @@ about: Suggest an idea for this project
 
 <!--
 
-Do you want to ask a question? Are you looking for support? The Sentry message
-board is the best place for getting support: https://forum.sentry.io
-
-Also note that the Sentry team has finite resources and priorities that are not
+Note that the Sentry team has finite resources and priorities that are not
 always visible on GitHub. If your issue doesn't align with our priorities it's
 unlikely it will be worked on. If we're interested in a particular feature however,
 we'll follow up and ask you to submit an RFC to talk about it in more detail.

.github/ISSUE_TEMPLATE/support_request.md

@@ -1,5 +0,0 @@
----
-name: ⛔️ Support Question
-about: See https://sentry.io/support for support requests.
-
----