Update repository for packages

Author: kyukhin

.travis.yml

@@ -120,7 +120,7 @@ deploy:
   # Deploy packages to PackageCloud from master branch (w/o tagged revisions)
   - provider: packagecloud
     username: "tarantool"
-    repository: "2_2"
+    repository: "2_3"
     token: "${PACKAGECLOUD_TOKEN}"
     dist: "${OS}/${DIST}"
     package_glob: build/*.{rpm,deb,dsc}
@@ -141,7 +141,7 @@ deploy:
   # https://github.com/travis-ci/travis-ci/issues/7780#issuecomment-302389370
   - provider: packagecloud
     username: "tarantool"
-    repository: "2_2"
+    repository: "2_3"
     token: "${PACKAGECLOUD_TOKEN}"
     dist: "${OS}/${DIST}"
     package_glob: build/*.{rpm,deb,dsc}