fix(ci): single-line python3 in update-manifest to avoid YAML block scalar truncation

Zero-indented lines inside run: | terminate the block early.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/release.yml

@@ -189,19 +189,11 @@ jobs:
           VERSION=$(echo "$RELEASE" | python3 -c "import sys,json; print(json.load(sys.stdin)['name'].split()[-1])")
           DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
 
-          python3 -c "
-import json, sys
-win_sig, lin_sig = sys.argv[1], sys.argv[2]
-print(json.dumps({
-  'version': '$VERSION',
-  'notes': 'Latest Lotus Chat release',
-  'pub_date': '$DATE',
-  'platforms': {
-    'windows-x86_64': {'url': '$BASE/LotusChat-x86_64-setup.nsis.zip', 'signature': win_sig},
-    'linux-x86_64':   {'url': '$BASE/LotusChat-x86_64.AppImage.tar.gz', 'signature': lin_sig}
-  }
-}, indent=2))
-" "$WIN_SIG" "$LIN_SIG" > release.json
+          python3 -c "import json,sys; v,d,wu,ws,lu,ls=sys.argv[1:]; print(json.dumps({'version':v,'notes':'Latest Lotus Chat release','pub_date':d,'platforms':{'windows-x86_64':{'url':wu,'signature':ws},'linux-x86_64':{'url':lu,'signature':ls}}},indent=2))" \
+            "$VERSION" "$DATE" \
+            "$BASE/LotusChat-x86_64-setup.nsis.zip" "$WIN_SIG" \
+            "$BASE/LotusChat-x86_64.AppImage.tar.gz" "$LIN_SIG" \
+            > release.json
 
           cat release.json