Changed default build platform to win-x64 even in Linux scripts (#606)

### Motivation and Context
Building for Linux makes packages incompatible with our deployed
resources.

### Description
Build for win-x64 by default instead of of linux-x64.

Users can override if they want to build linux-x64 version.

### Contribution Checklist
- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [Contribution
Guidelines](https://github.com/microsoft/chat-copilot/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/chat-copilot/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible
- [ ] I didn't break anyone 😄

scripts/deploy/package-memorypipeline.sh

@@ -13,7 +13,7 @@ usage() {
     echo "Arguments:"
     echo "  -c, --configuration CONFIGURATION      Build configuration (default: Release)"
     echo "  -d, --dotnet DOTNET_FRAMEWORK_VERSION  Target dotnet framework (default: net6.0)"
-    echo "  -r, --runtime TARGET_RUNTIME           Runtime identifier (default: linux-x64)"
+    echo "  -r, --runtime TARGET_RUNTIME           Runtime identifier (default: win-x64)"
     echo "  -o, --output OUTPUT_DIRECTORY          Output directory (default: $SCRIPT_ROOT)"
     echo "  -v  --version VERSION                  Version to set files to (default: 1.0.0)"
     echo "  -i  --info INFO                        Additional info to put in version details"
@@ -69,7 +69,7 @@ done
 # Set defaults
 : "${CONFIGURATION:="Release"}"
 : "${DOTNET:="net6.0"}"
-: "${RUNTIME:="linux-x64"}"
+: "${RUNTIME:="win-x64"}"
 : "${VERSION:="1.0.0"}"
 : "${INFO:=""}"
 : "${OUTPUT_DIRECTORY:="$SCRIPT_ROOT"}"

scripts/deploy/package-webapi.sh

@@ -13,7 +13,7 @@ usage() {
     echo "Arguments:"
     echo "  -c, --configuration CONFIGURATION      Build configuration (default: Release)"
     echo "  -d, --dotnet DOTNET_FRAMEWORK_VERSION  Target dotnet framework (default: net6.0)"
-    echo "  -r, --runtime TARGET_RUNTIME           Runtime identifier (default: linux-x64)"
+    echo "  -r, --runtime TARGET_RUNTIME           Runtime identifier (default: win-x64)"
     echo "  -o, --output OUTPUT_DIRECTORY          Output directory (default: $SCRIPT_ROOT)"
     echo "  -v  --version VERSION                  Version to set files to (default: 1.0.0)"
     echo "  -i  --info INFO                        Additional info to put in version details"
@@ -76,7 +76,7 @@ echo  "Building backend executables..."
 # Set defaults
 : "${CONFIGURATION:="Release"}"
 : "${DOTNET:="net6.0"}"
-: "${RUNTIME:="linux-x64"}"
+: "${RUNTIME:="win-x64"}"
 : "${VERSION:="0.0.0"}"
 : "${INFO:=""}"
 : "${OUTPUT_DIRECTORY:="$SCRIPT_ROOT"}"