RDBC-903 Update Node.js version and branch references

Increase minimum Node.js version to 20.0.0 and update GitHub Actions workflow to use v7.0 branch. Remove support for Node.js 18.x in the test matrix to align with updated requirements.

Author: M4xymm

.github/workflows/RavenClient.yml

@@ -2,9 +2,9 @@ name: tests/node
 
 on:
   push:
-    branches: [ v6.0 ]
+    branches: [ v7.0 ]
   pull_request:
-    branches: [ v6.0 ]
+    branches: [ v7.0 ]
   schedule:
     - cron: '0 10 * * *'
   workflow_dispatch:
@@ -31,7 +31,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [20.x, 22.x]
         serverVersion: ["6.0", "6.2", "7.0"]
       fail-fast: false
 

package-lock.json

@@ -43,7 +43,7 @@
     "Hibernating Rhinos"
   ],
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=20.0.0"
   },
   "keywords": [
     "ravendb",