Update new-issue--bug-report--question.md

i'm tired of getting the same bug report for old tinyproxy versions over and over, and people not even stating which version they're using.

.github/ISSUE_TEMPLATE/new-issue--bug-report--question.md

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+---
+name: New Issue, Bug report, Question
+about: New Issue, Bug report, Question
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+# IMPORTANT NOTICE
+
+Before filing an issue here PLEASE keep in mind that **tinyproxy 1.10.0 and older are no longer supported**.
+Do not report issues with 1.10.0 or older, first try latest release 1.11.0, or even better, git master, and see whether the issue is already fixed.
+
+## Tinyproxy version
+State the tinyproxy version you're using; whether git master or 1.11.0 stable.
+
+## Issue
+Fill in your Issue text here.
+A good issue report is detailed and includes full error messages from tinyproxy's output, not "X doesn't work".