CLOUDP-89254: Start publishing on the server 5.0 repos once 5.0 is launched (#744)

Author: gssbzn

build/ci/evergreen.yml

@@ -1657,3 +1657,12 @@ buildvariants:
       notary_key_name: "server-4.4"
     tasks:
       - name: .push_stable
+  - name: release_publish_50
+    display_name: "Publish yum/apt 5.0"
+    run_on:
+      - rhel70-small
+    expansions:
+      server_version: "5.0.0"
+      notary_key_name: "server-5.0"
+    tasks:
+      - name: .push_stable

build/package/curator-push.sh

@@ -27,6 +27,9 @@ case "${NOTARY_KEY_NAME}" in
     server-4.6)
         export NOTARY_TOKEN=${signing_auth_token_46:?}
         ;;
+    server-5.0)
+        export NOTARY_TOKEN=${signing_auth_token_50:?}
+        ;;
 esac
 
 set -Eeou pipefail