Update bug issue template (#23148)

The suggestion to try nightlies would've saved me about 10 minutes
because I would've seen @som-snytt already fixed #22901...

[skip ci]

---------

Co-authored-by: Som Snytt <[email protected]>
Co-authored-by: Piotr Chabelski <[email protected]>

Author: 3 people

.github/ISSUE_TEMPLATE/bug.md

@@ -9,19 +9,33 @@ assignees: ''
 
 ## Compiler version
 
-If you're not sure what version you're using, run `print scalaVersion` from sbt
-(if you're running scalac manually, use `scalac -version` instead).
+If you're not sure which version you're using, run `print scalaVersion` from sbt.
+(If you're running scalac manually, use `scalac -version` instead.)
+
+If possible, check if your issue appears in the nightly version of the compiler! For example, in Scala CLI (the `scala`/`scala-cli` runner script), you can use `//> using scala 3.nightly` (or `-S 3.nightly` from the command line) to grab the latest one.
 
 ## Minimized code
 
 <!--
 This code should be self contained, compilable (with possible failures) and as small as possible.
 
-Ideally, we should be able to just copy this code in a file and run `scalac` (and maybe `scala`) to reproduce the issue.
+Ideally, we should be able to just copy this code to a file and run `scalac` (and maybe `scala`) to reproduce the issue.
+
+If the code has external dependencies, please provide the Scala CLI directives (or SBT/other build tool configuration) that describe them.
+Also note that it's easier and faster for the maintenance team to address issues minimised to reproduce bugs without external dependencies.
+
+It's most convenient to also include `using` directives for the Scala version that demonstrates the problem,
+any compiler command-line options, as well as dependencies. An example is provided.
+
+It's also fine to paste the transcript of a REPL session. Note that some bugs may be specific to the REPL.
 -->
 
-```Scala
-println("hello, world")
+```scala
+//> using scala 3.7.0
+//> using options -Wall -Werror
+//> using dep com.outr::scribe:3.16.1
+
+@main def test = println("hello, world")
 ```
 
 ## Output