Bump the backend-dependencies group with 2 updates

Bumps Giraffe from 8.2.0 to 8.3.0
Bumps MongoDB.Driver from 3.7.0 to 3.11.0

---
updated-dependencies:
- dependency-name: Giraffe
  dependency-version: 8.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: backend-dependencies
- dependency-name: MongoDB.Driver
  dependency-version: 3.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: backend-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Backend/SaltTask.fsproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
-  </PropertyGroup>
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+  </PropertyGroup>
 
   <ItemGroup>
     <Compile Include="Endpoints/Product/Product.fs" />
@@ -15,9 +15,9 @@
     <Compile Include="Main.fs" />
   </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Giraffe" Version="8.2.0" />
-    <PackageReference Include="MongoDB.Driver" Version="3.7.0" />
-  </ItemGroup>
-
-</Project>
+  <ItemGroup>
+    <PackageReference Include="Giraffe" Version="8.3.0" />
+    <PackageReference Include="MongoDB.Driver" Version="3.11.0" />
+  </ItemGroup>
+
+</Project>