Misc depreation updates

* Deprecate .Page.Path when backed by a file
* site.Permalinks
* --ignoreVendor (use --ignoreVendorPaths)

Closes #9348
Closes #9349

resources/page/testhelpers_test.go

@@ -414,6 +414,10 @@ func (p *testPage) Path() string {
 	return p.path
 }
 
+func (p *testPage) Pathc() string {
+	return p.path
+}
+
 func (p *testPage) Permalink() string {
 	panic("not implemented")
 }