Run make all for pgvector

Apparently, make without all doesn't build the extension
SQL script, resulting in an error when attempting to install it.

Move git reset outside of the loop for postgres versions, as we
make clean, one need to reset it only once in the beginning, in
case we have the work directory cached from another run.

Dockerfile

@@ -266,9 +266,10 @@ RUN set -ex; \
         git clone https://github.com/percona/pg_stat_monitor /build/pg_stat_monitor; \
         cd /build/pg_stat_monitor; \
         git checkout "${PG_STAT_MONITOR}"; \
+        git reset HEAD --hard; \
         for pg in ${PG_VERSIONS}; do \
-            git reset HEAD --hard; \
             PATH="/usr/lib/postgresql/${pg}/bin:${PATH}" make USE_PGXS=1 clean; \
+            PATH="/usr/lib/postgresql/${pg}/bin:${PATH}" make USE_PGXS=1 all; \
             PATH="/usr/lib/postgresql/${pg}/bin:${PATH}" make USE_PGXS=1 install; \
         done; \
     fi
@@ -287,9 +288,10 @@ RUN set -ex; \
         git clone https://github.com/pgvector/pgvector /build/pgvector; \
         cd /build/pgvector; \
         git checkout "${PGVECTOR}"; \
+        git reset HEAD --hard; \
         for pg in ${PG_VERSIONS}; do \
-            git reset HEAD --hard; \
             PATH="/usr/lib/postgresql/${pg}/bin:${PATH}" make OPTFLAGS="" clean; \
+            PATH="/usr/lib/postgresql/${pg}/bin:${PATH}" make OPTFLAGS="" all; \
             PATH="/usr/lib/postgresql/${pg}/bin:${PATH}" make OPTFLAGS="" install; \
         done; \
     fi