Migrate missing `node:18` to `node:20` (#21903)

GitOrigin-RevId: 0315d5df0ab1154d5ccadcbf11b09ec53df5728f

libraries/mongo-utils/.nvmrc

@@ -1 +1 @@
-18.20.4
+20.18.0

libraries/mongo-utils/buildscript.txt

@@ -5,6 +5,6 @@ mongo-utils
 --env-pass-through=
 --esmock-loader=False
 --is-library=True
---node-version=18.20.4
+--node-version=20.18.0
 --public-repo=False
 --script-version=4.5.0

services/filestore/docker-compose.ci.yml

@@ -64,7 +64,7 @@ services:
     command: tar -czf /tmp/build/build.tar.gz --exclude=build.tar.gz --exclude-vcs .
     user: root
   certs:
-    image: node:18.20.4
+    image: node:20.18.0
     volumes:
       - ./test/acceptance/certs:/certs
     working_dir: /certs

services/filestore/docker-compose.yml

@@ -71,7 +71,7 @@ services:
     command: npm run --silent test:acceptance
 
   certs:
-    image: node:18.20.4
+    image: node:20.18.0
     volumes:
       - ./test/acceptance/certs:/certs
     working_dir: /certs