chore: change renovate to maintain backwards compatible go version (#2236)

**Description**

Updating renovate to leave go version as declared

---------

Co-authored-by: raphael-istari <rderbier@istaridigital.com>

.github/workflows/ci-dgraph-tests.yml

@@ -25,6 +25,8 @@ jobs:
         uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
+      - name: Install gotestsum
+        run: go install gotest.tools/gotestsum@latest
       - name: Fetch latest Badger version
         run: |
           go get github.com/dgraph-io/badger/v4@main

README.md

@@ -10,7 +10,7 @@
 ![Badger mascot](images/diggy-shadow.png)
 
 BadgerDB is an embeddable, persistent and fast key-value (KV) database written in pure Go. It is the
-underlying database for [Dgraph](https://github.com/hypermodeinc/dgraph), a fast, distributed graph
+underlying database for [Dgraph](https://github.com/dgraph-io/dgraph), a fast, distributed graph
 database. It's meant to be a performant alternative to non-Go-based key-value stores like RocksDB.
 
 ## Project Status