fix(deps): update module github.com/hashicorp/go-slug to v0.15.2 (#36)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [github.com/hashicorp/go-slug](https://togithub.com/hashicorp/go-slug)
| `v0.15.0` -> `v0.15.2` |
[![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fhashicorp%2fgo-slug/v0.15.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/go/github.com%2fhashicorp%2fgo-slug/v0.15.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/go/github.com%2fhashicorp%2fgo-slug/v0.15.0/v0.15.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fhashicorp%2fgo-slug/v0.15.0/v0.15.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>hashicorp/go-slug (github.com/hashicorp/go-slug)</summary>

###
[`v0.15.2`](https://togithub.com/hashicorp/go-slug/releases/tag/v0.15.2)

[Compare
Source](https://togithub.com/hashicorp/go-slug/compare/v0.15.1...v0.15.2)

`sourcebundle`: Fixed a bug in the PackageMeta receiver method
`GetCommitMessage() string` that caused it to return an empty string
instead of the git commit message.
([#&#8203;61](https://togithub.com/hashicorp/go-slug/issues/61))

###
[`v0.15.1`](https://togithub.com/hashicorp/go-slug/releases/tag/v0.15.1)

[Compare
Source](https://togithub.com/hashicorp/go-slug/compare/v0.15.0...v0.15.1)

[#&#8203;59](https://togithub.com/hashicorp/go-slug/issues/59): expose
registry module version deprecation data in `sourcebundle`

</details>

---

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go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/mux v1.8.1
 	github.com/gruntwork-io/terratest v0.46.16
-	github.com/hashicorp/go-slug v0.15.0
+	github.com/hashicorp/go-slug v0.15.2
 	github.com/hashicorp/hcl/v2 v2.21.0
 	github.com/hashicorp/vault/api v1.14.0
 	github.com/lib/pq v1.10.9

go.sum

@@ -439,8 +439,8 @@ github.com/hashicorp/go-secure-stdlib/parseutil v0.1.8 h1:iBt4Ew4XEGLfh6/bPk4rSY
 github.com/hashicorp/go-secure-stdlib/parseutil v0.1.8/go.mod h1:aiJI+PIApBRQG7FZTEBx5GiiX+HbOHilUdNxUZi4eV0=
 github.com/hashicorp/go-secure-stdlib/strutil v0.1.2 h1:kes8mmyCpxJsI7FTwtzRqEy9CdjCtrXrXGuOpxEA7Ts=
 github.com/hashicorp/go-secure-stdlib/strutil v0.1.2/go.mod h1:Gou2R9+il93BqX25LAKCLuM+y9U2T4hlwvT1yprcna4=
-github.com/hashicorp/go-slug v0.15.0 h1:AhMnE6JIyW0KoDJlmRDwv4xd52a5ZK3VdioQ7SMmZhI=
-github.com/hashicorp/go-slug v0.15.0/go.mod h1:THWVTAXwJEinbsp4/bBRcmbaO5EYNLTqxbG4tZ3gCYQ=
+github.com/hashicorp/go-slug v0.15.2 h1:/ioIpE4bWVN/d7pG2qMrax0a7xe9vOA66S+fz7fZmGY=
+github.com/hashicorp/go-slug v0.15.2/go.mod h1:THWVTAXwJEinbsp4/bBRcmbaO5EYNLTqxbG4tZ3gCYQ=
 github.com/hashicorp/go-sockaddr v1.0.6 h1:RSG8rKU28VTUTvEKghe5gIhIQpv8evvNpnDEyqO4u9I=
 github.com/hashicorp/go-sockaddr v1.0.6/go.mod h1:uoUUmtwU7n9Dv3O4SNLeFvg0SxQ3lyjsj6+CCykpaxI=
 github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek=