Bump dotnet-stryker from 4.2.0 to 4.3.0 in /src/backend (#318)

Bumps [dotnet-stryker](https://github.com/stryker-mutator/stryker-net)
from 4.2.0 to 4.3.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/e9f3763ce34d45ec03ba226bbab790f9d96ef2f7"><code>e9f3763</code></a>
fix: Duplicate Analyzer diagnostics (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3059">#3059</a>)</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/b6c9e9df5c69111a3ba81be8742a8e33812c3079"><code>b6c9e9d</code></a>
fix: Handle Vstest freezes more gracefully (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3063">#3063</a>)</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/85a4384df9a24aa15fad55a2901988f1c042588b"><code>85a4384</code></a>
feat: Respect specified target framework only if this results in a valid
vers...</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/e52cc8aa2a4ef9286af9c2e613ab5be096f72171"><code>e52cc8a</code></a>
chore(deps): update dotnet monorepo to 8.0.1 (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3062">#3062</a>)</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/2a6d828b4a5e383ac01cda995be189aeec7fe13f"><code>2a6d828</code></a>
chore(deps): update dependency microsoft.codeanalysis.analyzers to
3.11.0 (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3">#3</a>...</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/84735f3020ba1cf14cccac09a7853e7b677cc376"><code>84735f3</code></a>
chore(deps): update mstest monorepo to 3.6.1 (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3057">#3057</a>)</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/f159fc81c715993f5d841686e6e060a4cc5c87e1"><code>f159fc8</code></a>
chore(deps): update dependency mono.cecil to 0.11.6 (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3056">#3056</a>)</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/4cc04cf93c86763a4f2bafd0c9434f8e2ff1d413"><code>4cc04cf</code></a>
chore(deps): update nuget monorepo to 6.11.1 (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3055">#3055</a>)</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/bd20fc633d55f6f5e59e16c822d63b48de8743aa"><code>bd20fc6</code></a>
docs: Update mutations.md with alphabetical order (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3053">#3053</a>)</li>
<li><a
href="https://github.com/stryker-mutator/stryker-net/commit/c16defb15b88624408d7b9be1f45798ee2798fd4"><code>c16defb</code></a>
chore(deps): update dependency serilog to 4.0.2 (<a
href="https://redirect.github.com/stryker-mutator/stryker-net/issues/3051">#3051</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/stryker-mutator/stryker-net/compare/[email protected]@4.3.0">compare
view</a></li>
</ul>
</details>
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src/backend/.config/dotnet-tools.json

@@ -24,7 +24,7 @@
       "rollForward": false
     },
     "dotnet-stryker": {
-      "version": "4.2.0",
+      "version": "4.3.0",
       "commands": [
         "dotnet-stryker"
       ],