Add support for manual workflow dispatch in caching for all OS environments

Author: NadeemJazmawe

.github/workflows/Build.yml

@@ -229,7 +229,7 @@ jobs:
 # ------------------------------------------------------------------------------------------------------   
         -   name: Cache static site content - Windows
             id: cache_windows
-            if: runner.os == 'Windows'
+            if: runner.os == 'Windows' || github.event_name == 'workflow_dispatch'
             uses: actions/cache@v4
             with:
                 path: 
@@ -241,7 +241,7 @@ jobs:
 
         -   name: Cache static site content - Linux
             id: cache_linux
-            if: runner.os == 'Linux'
+            if: runner.os == 'Linux' || github.event_name == 'workflow_dispatch'
             uses: actions/cache@v4
             with:
                 path: 
@@ -254,7 +254,7 @@ jobs:
 
         -   name: Cache static site content - macOS
             id: cache_macos
-            if: runner.os == 'macOS'
+            if: runner.os == 'macOS' || github.event_name == 'workflow_dispatch'
             uses: actions/cache@v4
             with:
                 path: