fix(deps): update module github.com/argoproj/argo-rollouts to v1.8.4 (#440)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
|
[github.com/argoproj/argo-rollouts](https://redirect.github.com/argoproj/argo-rollouts)
| `v1.8.3` → `v1.8.4` |
![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fargoproj%2fargo-rollouts/v1.8.4?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fargoproj%2fargo-rollouts/v1.8.3/v1.8.4?slim=true)
|

---

### Release Notes

<details>
<summary>argoproj/argo-rollouts
(github.com/argoproj/argo-rollouts)</summary>

###
[`v1.8.4`](https://redirect.github.com/argoproj/argo-rollouts/releases/tag/v1.8.4)

[Compare
Source](https://redirect.github.com/argoproj/argo-rollouts/compare/v1.8.3...v1.8.4)

#### What's Changed

- fix: bluegreen analysis prematurely succeeds if new ReplicaSet becomes
unsaturated by
[@&#8203;jessesuen](https://redirect.github.com/jessesuen) in
[#&#8203;4604](https://redirect.github.com/argoproj/argo-rollouts/pull/4604)
- chore(deps): bump github.com/hashicorp/go-plugin from 1.6.2 to 1.6.3
by [@&#8203;aali309](https://redirect.github.com/aali309) in
[#&#8203;4592](https://redirect.github.com/argoproj/argo-rollouts/pull/4592)

**Full Changelog**:
<argoproj/argo-rollouts@v1.8.3...v1.8.4>

</details>

---

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go.mod

@@ -5,7 +5,7 @@ go 1.25.0
 toolchain go1.26.1
 
 require (
-	github.com/argoproj/argo-rollouts v1.8.3
+	github.com/argoproj/argo-rollouts v1.8.4
 	github.com/evanphx/json-patch v5.9.11+incompatible
 	github.com/fatih/color v1.18.0
 	github.com/go-logr/logr v1.4.3

go.sum

@@ -2,8 +2,8 @@ github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25
 github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
-github.com/argoproj/argo-rollouts v1.8.3 h1:blbtQva4IK9r6gFh+dWkCrLnFdPOWiv9ubQYu36qeaA=
-github.com/argoproj/argo-rollouts v1.8.3/go.mod h1:kCAUvIfMGfOyVf3lvQbBt0nqQn4Pd+zB5/YwKv+UBa8=
+github.com/argoproj/argo-rollouts v1.8.4 h1:yRoN6/mNtb9H2VHhL09ZvF3ZfajerOrKB3EhgIGoz6c=
+github.com/argoproj/argo-rollouts v1.8.4/go.mod h1:/J99JlgiXreVVjJUIXTsguvubJRNBtYKAhIrx0UdaS8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM=