CSHARP-5538: Fix dotnet installation script on Mac and Linux (#1645)

Author: sanych-sun

Diff for: build.sh

@@ -32,7 +32,7 @@ if [ "$DOTNET_VERSION" != "$DOTNET_INSTALLED_VERSION" ]; then
     if [ ! -d "$SCRIPT_DIR/.dotnet" ]; then
       mkdir "$SCRIPT_DIR/.dotnet"
     fi
-    curl -Lsfo "$SCRIPT_DIR/.dotnet/dotnet-install.sh" https://dot.net/v1/dotnet-install.sh
+    curl -Lfo "$SCRIPT_DIR/.dotnet/dotnet-install.sh" https://builds.dotnet.microsoft.com/dotnet/scripts/v1/dotnet-install.sh
     # N.B. We explicitly install .NET Core 2.1 and 3.1 because .NET 6.0 SDK can build those TFMs
     #      but will silently upgrade to a more recent runtime to execute tests if the desired runtime
     #      isn't available. For example, `dotnet run --framework netcoreapp3.0` will silently run

Diff for: evergreen/install-dotnet.sh

@@ -6,12 +6,12 @@ DOTNET_SDK_VERSION="${DOTNET_SDK_VERSION:-8.0}"
 
 if [[ $OS =~ [Ww]indows.* ]]; then
   echo "Downloading Windows .NET SDK installer into $DOTNET_SDK_PATH folder..."
-  curl -Lfo ./dotnet-install.ps1 https://dot.net/v1/dotnet-install.ps1
+  curl -Lfo ./dotnet-install.ps1 https://builds.dotnet.microsoft.com/dotnet/scripts/v1/dotnet-install.ps1
   echo "Installing .NET 8.0 SDK..."
   powershell.exe ./dotnet-install.ps1 -Channel "$DOTNET_SDK_VERSION" -InstallDir "$DOTNET_SDK_PATH" -NoPath
 else
   echo "Downloading .NET SDK installer into $DOTNET_SDK_PATH folder..."
-  curl -Lfo ./dotnet-install.sh https://dot.net/v1/dotnet-install.sh
+  curl -Lfo ./dotnet-install.sh https://builds.dotnet.microsoft.com/dotnet/scripts/v1/dotnet-install.sh
   echo "Installing .NET 8.0 SDK..."
   bash ./dotnet-install.sh --channel "$DOTNET_SDK_VERSION" --install-dir "$DOTNET_SDK_PATH" --no-path
 fi

Diff for: evergreen/run-mongodb-oidc-env-tests.sh

@@ -6,7 +6,7 @@ set -o errexit # Exit the script with error if any of the commands fail
 DOTNET_SDK_PATH="$(pwd)/.dotnet"
 
 echo "Downloading .NET SDK installer into $DOTNET_SDK_PATH folder..."
-curl -Lfo ./dotnet-install.sh https://dot.net/v1/dotnet-install.sh
+curl -Lfo ./dotnet-install.sh https://builds.dotnet.microsoft.com/dotnet/scripts/v1/dotnet-install.sh
 echo "Installing .NET 6.0 SDK..."
 bash ./dotnet-install.sh --channel 6.0 --install-dir "$DOTNET_SDK_PATH" --no-path
 export PATH=$DOTNET_SDK_PATH:$PATH