_content/solutions/cloud: fix a typo
_content/solutions/cloud: fix a typo

Replace "packends" with "backends"

Change-Id: I763e0ed6050fdb1124aafb0783611080458e449c
GitHub-Last-Rev: ae2b28cc3f523f747988be82bc89f3fc372996aa
GitHub-Pull-Request: golang/website#119
Reviewed-on: https://go-review.googlesource.com/c/website/+/375798
Reviewed-by: DO NOT USE <87e9c6d529889242b7e184afb632328636553ab4@google.com>
Trust: Dmitri Shuralyov <d181b7fea0ec87c86ba5a890ab716db52498e3ba@google.com>

golang/website,golang/website,golang/website,golang/website,golang/website,golang/website,golang/website