fix: fix release env vars append (#218)

Signed-off-by: Siddhant N Trivedi <siddhant@deepsource.io>

Author: siddhant-deepsource

.github/workflows/release.yml

@@ -25,9 +25,9 @@ jobs:
 
       - name: Setup environment variables
         run: |-
-          echo 'GITHUB_TOKEN=${{secrets.GITHUB_TOKEN}}' > .release-env
-          echo 'HOMEBREW_TOKEN=${{secrets.DS_BOT_PAT}}' > .release-env
-          echo 'DEEPSOURCE_CLI_SENTRY_DSN=${{secrets.SENTRY_DSN}}' > .release-env
+          echo 'GITHUB_TOKEN=${{secrets.GITHUB_TOKEN}}' >> .release-env
+          echo 'HOMEBREW_TOKEN=${{secrets.DS_BOT_PAT}}' >> .release-env
+          echo 'DEEPSOURCE_CLI_SENTRY_DSN=${{secrets.SENTRY_DSN}}' >> .release-env
 
       - name: Publish Release
         run: make release