GODRIVER-3334 export go env variables

Author: prestonvasquez

langchaingo-golang/run.sh

@@ -2,6 +2,11 @@
 
 set -eu
 
-cd langchaingo/vectorstores/mongovector
+GO_VERSION="go1.22"
+
+cd vectorstores/mongovector
+
+export PATH="$PATH:/opt/golang/$GO_VERSION/bin"
+export GOROOT="/opt/golang/$GO_VERSION"
 
 go test -v -failfast