Update issue templates with prefilled titles (#4960)

* Prefill title on bug report issue template

* Prefill title on feature request issue template

* Trim trailing space from issue template titles

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -1,5 +1,6 @@
 name: "Bug report"
 description: "Report a bug to help us identify and fix issues in the project."
+title: "[Bug Report] - <your summary here>"
 labels: ["bug"]
 
 body:

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -1,5 +1,6 @@
 name: "Feature request"
 description: "Suggest a new feature or improvement for the project."
+title: "[Feature Request] - <your summary here>"
 labels: ["enhancement"]
 
 body: