ci: Update forwardAgent to true to fix -ssh test (#218)

Issue #, if available:

*Description of changes:*
With a [change in finch repo
](https://github.com/runfinch/finch/pull/696/files#diff-3cf451500f45e2f20890cb061415b975916a723ddd31f602554812d789230799)to
support -ssh option, the test in finch-core repo is failed because of
the forwardAgent is not set to true.

- [X] I've reviewed the guidance in CONTRIBUTING.md


#### License Acceptance

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

---------

Signed-off-by: Kevin Li <[email protected]>

lima-template/fedora.yaml

@@ -96,7 +96,7 @@ ssh:
   loadDotSSHPubKeys: false
   # Forward ssh agent into the instance.
   # 🟢 Builtin default: false
-  forwardAgent: null
+  forwardAgent: true
   # Forward X11 into the instance
   # 🟢 Builtin default: false
   forwardX11: null