Upgrade from .NET 8 Preview to .NET 8 Release. (#907)

* Upgrade from .NET 8 Preview to .NET 8 Release.

* Update README.md.

Author: claudiamurialdo

.github/workflows/Build.yml

@@ -48,7 +48,7 @@ jobs:
     - name: Install .NET 8
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: '8.0.100-rc.1.23455.8' 
+        dotnet-version: '8.0.100' 
 
     - name: Calculate environment variables
       id: buildVariables

.github/workflows/codeql-analysis.yml

@@ -58,7 +58,7 @@ jobs:
     - name: Install .NET 8
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: '8.0.100-rc.1.23455.8' 
+        dotnet-version: '8.0.100' 
 
     - name: Create temporary solution
       run: |

.github/workflows/fortify-net-framework.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Install .NET 8
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: '8.0.100-preview.3.23178.7'
+          dotnet-version: '8.0.100'
 
       - name: Create temporal solution
         run: |

.github/workflows/fortify.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Install .NET 8
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: '8.0.100-preview.3.23178.7'
+          dotnet-version: '8.0.100'
 
       - name: Create temporal solution
         run: |

README.md

@@ -66,7 +66,7 @@ This repository contains projects for .NET and .NET Framework. It is organized a
 # How to build
 
 ## Requirements
-- Visual Studio 2022 (17.6.1 if using .NET 8 up to preview 3 or 17.7 if using .NET 8 last preview).
+- Visual Studio 2022 (17.8 or higher).
 - .NET 6 & .NET 8 
 - .NET Framework 4.7 DevPack