Add missing pipe to `wget` variant

Signed-off-by: Dan Russell <dpr@aol.com>

scripts/get-helm-3

@@ -107,7 +107,7 @@ checkDesiredVersion() {
     if [ "${HAS_CURL}" == "true" ]; then
       TAG=$(curl -Ls $latest_release_url | grep 'href="/helm/helm/releases/tag/v3.[0-9]*.[0-9]*\"' | sed -E 's/.*\/helm\/helm\/releases\/tag\/(v[0-9\.]+)".*/\1/g' | head -1)
     elif [ "${HAS_WGET}" == "true" ]; then
-      TAG=$(wget $latest_release_url -O - 2>&1 | grep 'href="/helm/helm/releases/tag/v3.[0-9]*.[0-9]*\"' sed -E 's/.*\/helm\/helm\/releases\/tag\/(v[0-9\.]+)".*/\1/g' | head -1)
+      TAG=$(wget $latest_release_url -O - 2>&1 | grep 'href="/helm/helm/releases/tag/v3.[0-9]*.[0-9]*\"' | sed -E 's/.*\/helm\/helm\/releases\/tag\/(v[0-9\.]+)".*/\1/g' | head -1)
     fi
   else
     TAG=$DESIRED_VERSION