ci(docker): fix runtime deps on Debian trixie

- Replace libsecp256k1-0 with libsecp256k1-2 in runtime stage.
- Keeps builder with libsecp256k1-dev; matches GitHub Actions setup.

Author: GaloisField2718

Dockerfile

@@ -34,7 +34,7 @@ ENV HOME=/home/indexer
 RUN apt-get update && apt-get install -y \
     libpq5 \
     curl \
-    libsecp256k1-0 \
+    libsecp256k1-2 \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy Python packages from builder