chore(deps): update actions/setup-dotnet action to v2.1.1

Author: renovate[bot]

.github/workflows/backend.yml

@@ -16,7 +16,7 @@ jobs:
       with:
         apt-get: privoxy libbrotli-dev libmbedtls-dev
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v2.1.0
+      uses: actions/setup-dotnet@v2.1.1
       with:
         dotnet-version: '7.0.x'
     - name: Install dependencies
@@ -31,7 +31,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v2.1.0
+      uses: actions/setup-dotnet@v2.1.1
       with:
         dotnet-version: '7.0.x'
     - name: Install dependencies