Update bug issue template

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+
+Hey! Thanks for opening an issue!
+
+IMPORTANT: If you believe this bug is a security issue, please don't use this template and follow our [security guidelines](/doc/security.md).
+
+We really recommend you including screenshots and lots to help us to achieve a shared understanding of the issue.
+
+-->
+
+**What happened? Please be specific and include screenshots and logs!**
+
+**What did you expect to happen? Please be specific and include proposed behavior!**
+
+**What is the simplest way to reproduce this behavior?**
+
+**In what environment did you see this bug?**
+- Pinniped server version:
+- Pinniped client version:
+- Pinniped container image (if using a public container image):
+- Pinniped configuration (what IDP(s) are you using? what downstream credential minting mechanisms are you using?):
+- Kubernetes version (use `kubectl version`):
+- Kubernetes installer & version (e.g., `kubeadm version`:
+- Cloud provider or hardware configuration:
+- OS (e.g: `cat /etc/os-release`):
+- Kernel (e.g. `uname -a`):
+- Others:
+
+**What else do we need to know?**