test: attempt to repair the test on Windows

PR #38356 regressed the Windows (2017) CI.  This attempts to remove the bashisms from the test to repair the test on Windows.

Author: compnerd

test/Driver/Dependencies/independent-fine.swift

@@ -15,7 +15,9 @@
 // CHECK-SECOND-NOT: Handled
 
 // Don't change the priors mod time.
-// RUN: touch -t 201401240006 %t/*.{swift,swiftdeps,json}
+// RUN: touch -t 201401240006 %t/*.swift
+// RUN: touch -t 201401240006 %t/*.swiftdeps
+// RUN: touch -t 201401240006 %t/*.json
 // RUN: cd %t && %swiftc_driver -c -driver-use-frontend-path "%{python.unquoted};%S/Inputs/update-dependencies.py;%swift-dependency-tool" -output-file-map %t/output.json -incremental -driver-always-rebuild-dependents ./main.swift -j1 -v 2>&1 | %FileCheck -check-prefix=CHECK-FIRST %s
 
 // RUN: touch -t 201401240007 %t/main.swift