[PGPRO-14028] Add clang19 to Travis CI configuration for PostgreSQL 13

Tags: pg_pathman

Author: Karina Litskevich

Dockerfile.tmpl

@@ -11,6 +11,9 @@ RUN apk add --no-cache \
 	zlib-dev libedit-dev \
 	pkgconf icu-dev clang clang15 clang-analyzer;
 
+# Need this for Travis CI to pass
+RUN if [ "${PG_VERSION}" == "13" ] ; then apk add --no-cache clang19; fi
+
 # Install fresh valgrind
 RUN apk add valgrind \
 	--update-cache \