chore: update bug report template descriptions and required fields (#29135)

Issue number: N/A

---------

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issue. -->

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## What is the current behavior?
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N/A

## What is the new behavior?
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this PR. -->

- Code reproductions are now required for all new issue reports. The
description around a reproduction and how developers can create one has
been adjusted.
- We only support Ionic v7 to LTS at this point in time. Sending
developers to a readonly repository where they cannot file issues
doesn't add any value. I've updated the description and link to the
relevant support page and enterprise offering.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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  If this introduces a breaking change:
1. Describe the impact and migration path for existing applications
below.
  2. Update the BREAKING.md file with the breaking change.
3. Add "BREAKING CHANGE: [...]" to the commit description when merging.
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https://github.com/ionic-team/ionic-framework/blob/main/.github/CONTRIBUTING.md#footer
for more information.
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## Other information

<!-- Any other information that is important to this PR such as
screenshots of how the component looks before and after the change. -->

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -20,12 +20,10 @@ body:
     id: affected-versions
     attributes:
       label: Ionic Framework Version
-      description: Which version(s) of Ionic Framework does this issue impact? For Ionic Framework 1.x issues, please use https://github.com/ionic-team/ionic-v1. For Ionic Framework 2.x and 3.x issues, please use https://github.com/ionic-team/ionic-v3.
+      description: Which version(s) of Ionic Framework does this issue impact? [Ionic Framework 1.x to 6.x are no longer supported](https://ionicframework.com/docs/reference/support#framework-maintenance-and-support-status). For extended support, considering visiting [Ionic's Enterprise offering](https://ionic.io/enterprise).
       options:
-        - v4.x
-        - v5.x
-        - v6.x
         - v7.x
+        - v8.x (Beta)
         - Nightly
       multiple: true
     validations:
@@ -51,11 +49,11 @@ body:
     id: steps-to-reproduce
     attributes:
       label: Steps to Reproduce
-      description: Please explain the steps required to duplicate this issue.
+      description: Explain the steps required to reproduce this issue.
       placeholder: |
-        1.
-        2.
-        3.
+        1. Go to '...'
+        2. Click on '...'
+        3. Observe: '...'
     validations:
       required: true
 
@@ -63,8 +61,15 @@ body:
     id: reproduction-url
     attributes:
       label: Code Reproduction URL
-      description: Please reproduce this issue in a blank Ionic Framework starter application and provide a link to the repo. Try out our [Getting Started Wizard](https://ionicframework.com/start#basics) to quickly spin up an Ionic Framework starter app. This is the best way to ensure this issue is triaged quickly. Issues without a code reproduction may be closed if the Ionic Team cannot reproduce the issue you are reporting.
+      description: |
+        Reproduce this issue in a blank [Ionic Framework starter application](https://ionicframework.com/start#basics) or a Stackblitz example.
+
+        You can use the Stackblitz button available on any of the [component playgrounds](https://ionicframework.com/docs/components) to open an editable example. Remember to save your changes to obtain a link to copy.
+
+        Reproductions cases must be minimal and focused around the specific problem you are experiencing. This is the best way to ensure this issue is triaged quickly. Issues without a code reproduction may be closed if the Ionic Team cannot reproduce the issue you are reporting.
       placeholder: https://github.com/...
+    validations:
+      required: true
 
   - type: textarea
     id: ionic-info