fix: use the right sha

Author: kirederik

.github/workflows/kratix.yaml

@@ -29,7 +29,7 @@ jobs:
           script: |
             const statusContext = 'ci-tests';
             const runId = process.env.GITHUB_RUN_ID || 'unknown';
-            const sha = process.env.GITHUB_SHA || '${{ github.sha }}';
+            const sha = '${{ github.event.inputs.sha }}'
 
             try {
               await github.rest.repos.createCommitStatus({
@@ -262,7 +262,7 @@ jobs:
           script: |
             const statusContext = 'ci-tests';
             const runId = process.env.GITHUB_RUN_ID || 'unknown';
-            const sha = process.env.GITHUB_SHA || '${{ github.sha }}';
+            const sha = '${{ github.event.inputs.sha }}' 
 
             // Collect job results from workflow context
             const jobResults = [