Bump actions/setup-dotnet from 4.2.0 to 4.3.0 (#20563)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v4.2.0...v4.3.0)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/samples-aspnet-fastenpoints-server.yaml

@@ -26,7 +26,7 @@ jobs:
           - samples/server/petstore/aspnet/fastendpoints-useValidators
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: '8.0.x'
       - name: Build

.github/workflows/samples-dotnet-standard.yaml

@@ -28,7 +28,7 @@ jobs:
           # - samples/client/petstore/csharp/unityWebRequest/standard2.0/Petstore/
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: 3.1.*
       - name: Build

.github/workflows/samples-dotnet6-server.yaml

@@ -25,7 +25,7 @@ jobs:
           - samples/server/petstore/aspnetcore-6.0-useSwashBuckle
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: '6.0.x'
       - name: Build

.github/workflows/samples-dotnet8-client-echo-api.yaml

@@ -19,7 +19,7 @@ jobs:
           - samples/client/echo_api/csharp/restsharp/net8/EchoApi
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: '8.0.x'
       - name: Run echo server

.github/workflows/samples-dotnet8-client.yaml

@@ -18,7 +18,7 @@ jobs:
           - samples/client/petstore/csharp/restsharp/net8/ParameterMappings/
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: '8.0.x'
       - name: Build

.github/workflows/samples-dotnet8-server.yaml

@@ -26,7 +26,7 @@ jobs:
           - samples/server/petstore/aspnetcore-8.0-use-centralized-package-version-management
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: '8.0.x'
       - name: Build

.github/workflows/samples-dotnet8.yaml

@@ -34,7 +34,7 @@ jobs:
           - samples/client/petstore/csharp/generichost/net8/UseDateTimeForDate
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: '8.0.x'
       - name: Build

.github/workflows/samples-dotnet9.yaml

@@ -43,7 +43,7 @@ jobs:
           #- samples/client/petstore/csharp/unityWebRequest/net9/Petstore
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.2.0
+      - uses: actions/setup-dotnet@v4.3.0
         with:
           dotnet-version: '9.0.101'
       - name: Build