fix: add homepage URL to metadata template

[alexeagle]

it's required by BCR

[aspect-workflows]

Test

All tests were cache hits

14 tests (100.0%) were fully cached saving 1s.

---

Test

e2e/loaders

All tests were cache hits

1 test (100.0%) was fully cached saving 44ms.

---

Test

e2e/loaders_jslib

All tests were cache hits

1 test (100.0%) was fully cached saving 38ms.

---

Test

e2e/smoke

All tests were cache hits

2 tests (100.0%) were fully cached saving 136ms.

---

Test

e2e/smoke_rjs3

All tests were cache hits

1 test (100.0%) was fully cached saving 45ms.

---

Test

e2e/worker

All tests were cache hits

2 tests (100.0%) were fully cached saving 127ms.

---

Buildifier

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

Alex Eagle seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}