chore: Migrate all issue templates to yaml (#11612)

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.yml

@@ -0,0 +1,37 @@
+name: Feature request
+description: Create a feature request to make Telegraf more awesome
+labels: ["feature request"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking time to share with us this feature request! Please describe why you would like this feature to be added to Telegraf, how you plan to use it to make your life better.
+  - type: textarea
+    id: use-case
+    attributes:
+      label: Use Case
+      description: Describe how you plan to use this feature. 
+    validations:
+      required: true
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected behavior
+      description: Describe what you expected to happen when you performed the above steps.
+    validations:
+      required: true
+  - type: textarea
+    id: actual-behavior
+    attributes:
+      label: Actual behavior
+      description: Describe what actually happened when you performed the above steps.
+    validations:
+      required: true
+  - type: textarea
+    id: additional-info
+    attributes:
+      label: Additional info
+      description: Include gist of relevant config, logs, etc.
+    validations:
+      required: false
+

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -1,18 +0,0 @@
----
-name: Feature request
-labels: feature request
-about: Suggest an idea for this project
-
----
-
-## Feature Request
-
-Opening a feature request kicks off a discussion.
-
-### Proposal:
-
-### Current behavior:
-
-### Desired behavior:
-
-### Use case: <!-- [Why is this important (helps with prioritizing requests)] -->

.github/ISSUE_TEMPLATE/SUPPORT.yml

@@ -0,0 +1,19 @@
+name: Support request
+description: Open a support request
+labels: ["support"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        WOAHH, hold up. This isn't the best place for support questions. 
+        You can get a faster response on slack or forums:
+
+        Please redirect any QUESTIONS about Telegraf usage to 
+        - InfluxData Slack Channel: https://www.influxdata.com/slack 
+        - InfluxData Community Site: https://community.influxdata.com
+
+        Check the documentation for the related plugin including the troubleshooting
+        section if available.
+
+        https://docs.influxdata.com/telegraf
+        https://github.com/influxdata/telegraf/tree/master/docs

.github/ISSUE_TEMPLATE/Support.md

@@ -1,22 +0,0 @@
----
-name: Support request
-labels: support
-about: Open a support request
-
----
-
-<!--
-WOAHH, hold up. This isn't this best place for support questions. 
-  You can get a faster response on slack or forums:
-
-Please redirect any QUESTIONS about Telegraf usage to 
-- InfluxData Slack Channel: https://www.influxdata.com/slack 
-- InfluxData Community Site: https://community.influxdata.com
-
-Check the documentation for the related plugin including the troubleshooting
-section if available.
-
-https://docs.influxdata.com/telegraf
-https://github.com/influxdata/telegraf/tree/master/docs
-
--->