📝 Update templated files (#693)

This pull request updates the files in this repository with the latest
changes from the MQT Templates repository.
For details on the respective changes, see the
[changelog](https://github.com/munich-quantum-toolkit/templates/blob/main/CHANGELOG.md)
as well as the [upgrade
guide](https://github.com/munich-quantum-toolkit/templates/blob/main/UPGRADING.md).

> [!NOTE]
> This pull request may contain merge conflicts if there have been
changes to a templated file and its template.
> Resolve such conflicts manually before merging the pull request.

Co-authored-by: mqt-app[bot] <219534693+mqt-app[bot]@users.noreply.github.com>

Author: mqt-app[bot]

.github/SECURITY.md

@@ -0,0 +1,22 @@
+<!--- This file has been generated from an external template. Please do not modify it directly. -->
+<!--- Changes should be contributed to https://github.com/munich-quantum-toolkit/templates. -->
+
+# Security Policy
+
+## Supported Versions
+
+Security updates are applied only to the most recent releases.
+
+## Reporting a Vulnerability
+
+To report vulnerabilities, you can privately report a potential security issue
+via the GitHub security vulnerabilities feature. This can be done here:
+
+https://github.com/munich-quantum-toolkit/qmap/security/advisories
+
+Please do **not** open a public issue about a potential security vulnerability.
+
+You can find more details on the security vulnerability feature in the GitHub
+documentation here:
+
+https://docs.github.com/en/code-security/security-advisories/guidance-on-reporting-and-writing/privately-reporting-a-security-vulnerability

.github/pull_request_template.md

@@ -1,3 +1,6 @@
+<!--- This file has been generated from an external template. Please do not modify it directly. -->
+<!--- Changes should be contributed to https://github.com/munich-quantum-toolkit/templates. -->
+
 ## Description
 
 Please include a summary of the change and, if applicable, which issue is fixed.
@@ -15,7 +18,7 @@ This checklist serves as a reminder of a couple of things that ensure your pull
 - [ ] The pull request only contains commits that are focused and relevant to this change.
 - [ ] I have added appropriate tests that cover the new/changed functionality.
 - [ ] I have updated the documentation to reflect these changes.
-- [ ] I have added entries to the changelog for any noteworthy additions, changes, fixes or removals.
+- [ ] I have added entries to the changelog for any noteworthy additions, changes, fixes, or removals.
 - [ ] I have added migration instructions to the upgrade guide (if needed).
 - [ ] The changes follow the project's style guidelines and introduce no new warnings.
 - [ ] The changes are fully tested and pass the CI checks.