docs: fix typos in some files (#2123)

This PR fixes typos in the file file using codespell.

Author: dscho

build/GetVersion.cs

@@ -34,7 +34,7 @@ public override bool Execute()
             // The main version number we use for GCM contains the first three
             // components.
             // The assembly and file version numbers contain all components, as
-            // ommitting the revision portion from these properties causes
+            // omitting the revision portion from these properties causes
             // runtime failures on Windows.
             Version = $"{fullVersion.Major}.{fullVersion.Minor}.{fullVersion.Build}";
             AssemblyVersion = FileVersion = fullVersion.ToString();

src/linux/Packaging.Linux/pack.sh

@@ -76,7 +76,7 @@ echo "Packing Packaging.Linux..."
 
 # Cleanup any old archive files
 if [ -e "$TAROUT" ]; then
-    echo "Deleteing old archive '$TAROUT'..."
+    echo "Deleting old archive '$TAROUT'..."
     rm "$TAROUT"
 fi
 

src/osx/Installer.Mac/dist.sh

@@ -82,7 +82,7 @@ fi
 
 # Cleanup any old package
 if [ -e "$DISTOUT" ]; then
-    echo "Deleteing old product package '$DISTOUT'..."
+    echo "Deleting old product package '$DISTOUT'..."
     rm "$DISTOUT"
 fi
 

src/osx/Installer.Mac/pack.sh

@@ -52,7 +52,7 @@ fi
 
 # Cleanup any old component
 if [ -e "$PKGOUT" ]; then
-    echo "Deleteing old component '$PKGOUT'..."
+    echo "Deleting old component '$PKGOUT'..."
     rm "$PKGOUT"
 fi