Add issue template and other fixes

.github/ISSUE_TEMPLATE/stack_trace.md

diff --git a/.github/ISSUE_TEMPLATE/stack_trace.md b/.github/ISSUE_TEMPLATE/stack_trace.md
new file mode 100644
index 0000000..417362b
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/stack_trace.md
@@ -0,0 +1,5 @@
+---
+name: "package:stack_trace"
+about: "Create a bug or file a feature request against package:stack_trace."
+labels: "package:stack_trace"
+---
\ No newline at end of file

pkgs/stack_trace/pubspec.yaml

diff --git a/pkgs/stack_trace/pubspec.yaml b/pkgs/stack_trace/pubspec.yaml
index a06cd6f..7e76f0b 100644
--- a/pkgs/stack_trace/pubspec.yaml
+++ b/pkgs/stack_trace/pubspec.yaml
@@ -1,7 +1,7 @@
 name: stack_trace
 version: 1.12.0
 description: A package for manipulating stack traces and printing them readably.
-repository: https://github.com/dart-lang/stack_trace
+repository: https://github.com/dart-lang/tools/tree/main/pkgs/stack_trace
 
 environment:
   sdk: ^3.4.0