chore(deps): update github/codeql-action action to v3 (#17)

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

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github/codeql-action](https://togithub.com/github/codeql-action) |
action | major | `v2` -> `v3` |

---

### Release Notes

<details>
<summary>github/codeql-action (github/codeql-action)</summary>

### [`v3`](https://togithub.com/github/codeql-action/compare/v2...v3)

[Compare
Source](https://togithub.com/github/codeql-action/compare/v2...v3)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 9pm,before 6am" in timezone
Europe/Zurich, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **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/smartive/cas-fee-adv-mumble-api).

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

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

.github/workflows/codeql.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@v3
         with:
           languages: csharp
 
@@ -34,6 +34,6 @@ jobs:
         run: dotnet build --configuration Release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@v3
         with:
           category: "/language:csharp"