Add release-mode test runs for macOS and Linux

Author: natecook1000

.github/workflows/swift_package_test.yml

@@ -106,7 +106,7 @@ on:
 
 jobs:
   macos-build:
-    name: macOS (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})
+    name: macOS (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }}) [${{ matrix.configuration }}]
     if: ${{ inputs.enable_macos_checks }}
     runs-on: [self-hosted, macos, "${{ matrix.os_version }}", "${{ matrix.arch }}"]
     strategy:
@@ -115,6 +115,7 @@ jobs:
         xcode_version: ${{ fromJson(inputs.macos_xcode_versions) }}
         os_version: ${{ fromJson(inputs.macos_versions) }}
         arch: ${{ fromJson(inputs.macos_archs) }}
+        configuration: [debug, release]
         exclude:
           - ${{ fromJson(inputs.macos_exclude_xcode_versions) }}
     steps:
@@ -138,18 +139,19 @@ jobs:
       - name: Pre-build
         run: ${{ inputs.macos_pre_build_command }}
       - name: Build / Test
-        run: ${{ inputs.macos_build_command }} ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }}
+        run: ${{ inputs.macos_build_command }} -c ${{ matrix.configuration }} ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }}
         timeout-minutes: 60
 
   linux-build:
-    name: Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }})
+    name: Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }}) [${{ matrix.configuration }}]
     if: ${{ inputs.enable_linux_checks }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         swift_version: ${{ fromJson(inputs.linux_swift_versions) }}
         os_version: ${{ fromJson(inputs.linux_os_versions) }}
+        configuration: [debug, release]
         exclude:
           - ${{ fromJson(inputs.linux_exclude_swift_versions) }}
     container:
@@ -173,7 +175,7 @@ jobs:
       - name: Pre-build
         run: ${{ inputs.linux_pre_build_command }}
       - name: Build / Test
-        run: ${{ inputs.linux_build_command }} ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }}
+        run: ${{ inputs.linux_build_command }} -c ${{ matrix.configuration }} ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }}
 
   windows-build:
     name: Windows (${{ matrix.swift_version }} - ${{ inputs.enable_windows_docker && contains(matrix.swift_version, 'nightly') && 'windows-2019' || 'windows-2022' }})