chore: bump up nodemailer version to v7 (#12124)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [nodemailer](https://nodemailer.com/) ([source](https://redirect.github.com/nodemailer/nodemailer)) | [`^6.9.16` -> `^7.0.0`](https://renovatebot.com/diffs/npm/nodemailer/6.10.1/7.0.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/nodemailer/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/nodemailer/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/nodemailer/6.10.1/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/nodemailer/6.10.1/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>nodemailer/nodemailer (nodemailer)</summary>

### [`v7.0.0`](https://redirect.github.com/nodemailer/nodemailer/blob/HEAD/CHANGELOG.md#700-2025-05-03)

[Compare Source](https://redirect.github.com/nodemailer/nodemailer/compare/v6.10.1...v7.0.0)

##### ⚠ BREAKING CHANGES

-   SESv2 SDK support, removed older SES SDK v2 and v3 , removed SES rate limiting and idling features

##### Features

-   SESv2 SDK support, removed older SES SDK v2 and v3 , removed SES rate limiting and idling features ([15db667](15db667af2))

</details>

---

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yarn.lock

@@ -982,7 +982,7 @@ __metadata:
     nest-commander: "npm:^3.15.0"
     nest-winston: "npm:^1.9.7"
     nestjs-cls: "npm:^5.0.0"
-    nodemailer: "npm:^6.9.16"
+    nodemailer: "npm:^7.0.0"
     nodemon: "npm:^3.1.7"
     on-headers: "npm:^1.0.2"
     piscina: "npm:^5.0.0-alpha.0"
@@ -27552,10 +27552,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nodemailer@npm:^6.9.16":
-  version: 6.10.1
-  resolution: "nodemailer@npm:6.10.1"
-  checksum: 10/d9911701641e06143a2deb0bd5deb518310972316c6e6eabc594af24353b0d67867f26cb8d72b0cfa385abef945149ac51ae40a40d2199e1088aef5829e58a3d
+"nodemailer@npm:^7.0.0":
+  version: 7.0.0
+  resolution: "nodemailer@npm:7.0.0"
+  checksum: 10/5abd6e1b90d857baae6a483b14ee0ee1c1586f17040a33cdb0ec9436f088c2aeec5dba947f8df708f4a1ce519fca7ca43ff6995b0c85c65b9e29a998c7fd237d
   languageName: node
   linkType: hard