docs: Updates issue and pull request templates

.github/stale.yml

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+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 1
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 2
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - pinned
+  - security
+# Label to use when marking an issue as stale
+staleLabel: stale
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  Thank you for your contribution, we value it! However, this issue
+  has been marked as stale because it has not had recent activity, or
+  because it does not comply with our contribution guidelines. If it
+  is the latter, please follow the instructions from the comment above
+  to comply with our guidelines.
+  It will be closed if no further activity occurs. Thank you for your
+  contributions.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false
+
+# Set to true to ignore issues in a project (defaults to false)
+exemptProjects: false
+
+# Set to true to ignore issues in a milestone (defaults to false)
+exemptMilestones: false
+
+# Set to true to ignore issues with an assignee (defaults to false)
+exemptAssignees: false
+
+onlyLabels:
+  - needs-context