test: set forceString false in test

Signed-off-by: daengdaengLee <[email protected]>

reposerver/repository/repository_test.go

@@ -4155,7 +4155,7 @@ func Test_GenerateManifests_Commands(t *testing.T) {
 							Name: "test-param-name",
 							// Use build env var to test substitution.
 							Value:       "test-value-$ARGOCD_APP_NAME",
-							ForceString: true,
+							ForceString: false,
 						},
 						{
 							Name: "test-param-bool-name",