fix: yaml syntax in deploy workflow

.gitea/workflows/deploy.yaml

@@ -32,14 +32,7 @@ jobs:
 
           echo "${CHANGELOG}" > /tmp/changelog.txt
 
-          BODY="## EpicNext-CMS ${VERSION}
-
-### Changes
-${CHANGELOG}
-
----
-*Automated release from Gitea Actions*
-"
+          BODY="## EpicNext-CMS ${VERSION}"$'\n\n'"### Changes"$'\n'"${CHANGELOG}"$'\n\n---\n*Automated release from Gitea Actions*'
 
           PAYLOAD="$(printf '%s' "$BODY" | jq -Rs '{tag_name: $v, name: $v, body: ., draft: false, prerelease: false}' --arg v "${VERSION}")"