Merge pull request #5728 from bk2204/issue-template-update

issue template: add more information we'd want to see

.github/ISSUE_TEMPLATE/bug_report.md

@@ -23,12 +23,16 @@ A clear and concise description of what you expected to happen.
 **System environment**
 The version of your operating system, plus any relevant information about platform or configuration (e.g., container or CI usage, Cygwin, WSL, or non-Basic authentication).  If relevant, include the output of `git config -l` as a code block.
 
+Please also mention the usage of any proxy, including any TLS MITM device or non-default antivirus or firewall.
+
 **Output of `git lfs env`**
 The output of running `git lfs env` as a code block.
 
 **Additional context**
 Any other relevant context about the problem here.
 
+If you're having problems trying to push or pull data, please run the command with `GIT_TRACE=1 GIT_TRANSFER_TRACE=1 GIT_CURL_VERBOSE=1` and include it inline or attach it as a text file.  In a bash or other POSIX shell, you can simply prepend this string and a space to the command.
+
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