deps: update actions/setup-go action to v5 (#546)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/setup-go](https://togithub.com/actions/setup-go) | action |
major | `v4` -> `v5` |

---

### Release Notes

<details>
<summary>actions/setup-go (actions/setup-go)</summary>

### [`v5`](https://togithub.com/actions/setup-go/compare/v4...v5)

[Compare Source](https://togithub.com/actions/setup-go/compare/v4...v5)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/hetznercloud/csi-driver).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy44Ny4yIiwidXBkYXRlZEluVmVyIjoiMzcuODcuMiIsInRhcmdldEJyYW5jaCI6Im1haW4ifQ==-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/goimports.yml

@@ -4,7 +4,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/setup-go@v4
+    - uses: actions/setup-go@v5
       with:
         go-version: "1.21"
     - uses: actions/checkout@v4

.github/workflows/publish_on_master.yml

@@ -12,7 +12,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: "1.21"
 

.github/workflows/publish_on_tag.yml

@@ -12,7 +12,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: "1.21"
 

.github/workflows/test.yml

@@ -4,7 +4,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
           go-version: "1.21"
       - uses: actions/checkout@v4

.github/workflows/test_e2e.yml

@@ -25,7 +25,7 @@ jobs:
           - k3s: v1.28
             k8s-test: v1.28.1
     steps:
-    - uses: actions/setup-go@v4
+    - uses: actions/setup-go@v5
       with:
         go-version: "1.21"
     - uses: actions/checkout@v4