chore(deps): update mongo docker tag to v7 (#35262)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| mongo | final | major | `6.0` -> `7.0` |

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receiver/mongodbreceiver/testdata/integration/Dockerfile.mongodb.6_0

@@ -1,4 +1,4 @@
-FROM mongo:6.0
+FROM mongo:7.0
 
 COPY scripts/setup.sh /setup.sh
 RUN chmod +x /setup.sh