Make generated .app deterministic

contrib/build-osx/make_osx

@@ -77,6 +77,13 @@ fail "Could not install hardware wallet requirements"
 info "Building $PACKAGE..."
 python3 setup.py install --user > /dev/null || fail "Could not build $PACKAGE"
 
+info "Faking timestamps..."
+for d in ~/Library/Python/ ~/.pyenv .; do
+  pushd $d
+  find . -exec touch -t '200101220000' {} +
+  popd
+done
+
 info "Building binary"
 pyinstaller --noconfirm --ascii --name $VERSION contrib/build-osx/osx.spec || fail "Could not build binary"