Update .releaserc

Author: ocofaigh

.releaserc

@@ -8,6 +8,9 @@
     ["@semantic-release/git", {
       "assets": "false"
     }],
+    ["@semantic-release/exec", {
+      "successCmd": "echo \"SEMVER_VERSION=${nextRelease.version}\" >> $GITHUB_ENV"
+    }],
     ["@semantic-release/exec", {
       "publishCmd": "./ci/trigger-catalog-onboarding-pipeline.sh --version=v${nextRelease.version}"
     }]