ci: github: Fix change status of head of failed run

Currently it touched the commit of the workflow (head of main)

It was tested with related PR:

Origin: SiliconLabsSoftware#106
Relate-to: rzr#4
Relate-to: SiliconLabsSoftware#67
Relate-to: https://github.com/SiliconLabsSoftware/z-wave-protocol-controller/settings/actions
Forwarded: https://github.com/SiliconLabsSoftware/z-wave-engine-application-layer/pull/43
Signed-off-by: Philippe Coval <philippe.coval@silabs.com>

Author: rzr

.github/workflows/test.yml

@@ -91,7 +91,7 @@ jobs:
             await github.rest.repos.createCommitStatus({
             owner: context.repo.owner,
             repo: context.repo.repo,
-            sha: context.sha,
+            sha: process.env.sha,
             state: process.env.status
             })
             process.exit(process.env.status == 'success' ? 0 : 1);