Update issue template version dropdowns

Author: github-actions[bot]

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -71,7 +71,7 @@ body:
       description: What version of SkiaSharp are you using?
       options:
         - Nightly / CI build
-        - 4.152.0-rc.1 (Pre-release)
+        - 4.154.0-preview.1 (Pre-release)
         - 4.151.2 (Current)
         - 4.151.1 (Previous)
         - 4.151.0 (Deprecated)
@@ -93,6 +93,8 @@ body:
       label: Last Known Good Version of SkiaSharp
       description: What version of SkiaSharp still did what you expected?
       options:
+        - 4.154.0-preview.1 (Pre-release)
+        - 4.153.0-preview.1 (Pre-release)
         - 4.152.0-rc.1 (Pre-release)
         - 4.152.0-preview.1 (Pre-release)
         - 4.151.2 (Current)
@@ -107,7 +109,7 @@ body:
         - 2.x (Obsolete)
         - 1.x (Obsolete)
         - Other (Please indicate in the description)
-      default: 2
+      default: 4
   - type: dropdown
     id: ide
     validations: