fix(pgvector): disable optimization flags for build compatibility

Add OPTFLAGS="" to pgvector make command to fix build issues.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: tonychang04

postgres/Dockerfile

@@ -18,7 +18,7 @@ RUN apt-get update && apt-get install -y \
 RUN cd /tmp && \
     git clone --branch v0.7.4 https://github.com/pgvector/pgvector.git && \
     cd pgvector && \
-    make PG_CONFIG=/usr/lib/postgresql/15/bin/pg_config && \
+    make PG_CONFIG=/usr/lib/postgresql/15/bin/pg_config OPTFLAGS="" && \
     make install PG_CONFIG=/usr/lib/postgresql/15/bin/pg_config && \
     cd / && \
     rm -rf /tmp/pgvector