feat: Update grype SARIF configuration in release-arm.yaml

- Changed `grype_sarif` from `true` to `${{ matrix.grype }}` in two instances
- This change allows for dynamic configuration of the grype SARIF output based on the matrix settings

Signed-off-by: Itxaka <itxaka@kairos.io>

Author: Itxaka

.github/workflows/release-arm.yaml

@@ -47,7 +47,7 @@ jobs:
       registry_domain: "quay.io"
       registry_namespace: "kairos"
       grype: ${{ matrix.grype }}
-      grype_sarif: true
+      grype_sarif: ${{ matrix.grype }}
       trivy: true
       trivy_sarif: true
       list_release_artifacts: true
@@ -127,7 +127,7 @@ jobs:
       registry_namespace: "kairos"
       iso: ${{ matrix.model == 'generic' }} # only produce ISOs for generic
       grype: ${{ matrix.grype }}
-      grype_sarif: true
+      grype_sarif: ${{ matrix.grype }}
       trivy: true
       trivy_sarif: true
       list_release_artifacts: true