build(amazonq): merge release candidate version rc20250904

[Will-ShaoHua]

Problem

This merges the released changes for rc-20250904 into main.
MCM-133766629

Solution

---

• Treat all work as PUBLIC. Private feature/x branches will not be squash-merged at release time.
• Your code changes must meet the guidelines in CONTRIBUTING.md.
• License: I confirm that my contribution is made under the terms of the Apache 2.0 license.

[amazon-inspector-ohio]

⏳ I'm reviewing this pull request for security vulnerabilities and code quality issues. I'll provide an update when I'm done

[amazon-inspector-ohio]

✅ I finished the code review, and didn't find any security or code quality issues.

[amazon-inspector-ohio]

⏳ I'm reviewing this pull request for security vulnerabilities and code quality issues. I'll provide an update when I'm done

[amazon-inspector-ohio]

✅ I finished the code review, and didn't find any security or code quality issues.

[amazon-inspector-ohio]

⏳ I'm reviewing this pull request for security vulnerabilities and code quality issues. I'll provide an update when I'm done

[amazon-inspector-ohio]

✅ I finished the code review, and didn't find any security or code quality issues.

[amazon-inspector-ohio]

⏳ I'm reviewing this pull request for security vulnerabilities and code quality issues. I'll provide an update when I'm done

[amazon-inspector-ohio]

✅ I finished the code review, and didn't find any security or code quality issues.

[Will-ShaoHua]

do i need an empty commit to force it rerun? #7989

[rli]

/retryBuilds

[Will-ShaoHua]

/retryBuild

[Will-ShaoHua]

1 failing
  1) AppBuilder Walkthrough
       Create project
         start with an existing template
           override existing template
             download serverlessland proj:

      AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: