Do not validate for http:// URLs in elements and attributes that are definitiely part of a different namespace

Since the XML parser does not seem to have much support at all for namespaces, this fix is very ... raw in that it
only looks for a namespace delimintor `:` and if we find that in a element, mark it as ok. If we find it in an attribute, do not
check it.

This fixes #2093

Author: xoriath

tools/packchk/src/CheckFiles.cpp

@@ -241,7 +241,7 @@ bool CheckFiles::CheckDescription(RteItem* item)
 */
 bool CheckFiles::CheckUrls(RteItem* item)
 {
-  if(!item || item->GetTag() == "package") {
+  if(!item || item->GetTag() == "package" || item->GetTag().find(":", 0) != string::npos) {
     return true;
   }
 
@@ -255,6 +255,9 @@ bool CheckFiles::CheckUrls(RteItem* item)
 
   const auto& attributes = item->GetAttributes();
   for(const auto& [attr, text] : attributes) {
+    if(attr.find(":", 0) != string::npos) {
+      continue;
+    }
     if(text.find("http://", 0) != string::npos) {
       LogMsg("M300", TAG(attr), URL("https://"), lineNo);
     bOk = false;

tools/packchk/test/data/TestUrlHttps/TestVendor.TestUrlHttps.pdsc

@@ -47,6 +47,13 @@
       <subFamily DsubFamily="MyDevice">
         <device Dname="MyDeviceM0">
           <processor Dfpu="0" Dmpu="0" Dendian="Little-endian" Dclock="24000000"/>
+          <environment name="microchip">
+            <mchp:extension xmlns:mchp="http://crownking/pack-device-microchip-extension"
+                            schemaVersion="1.0"
+                            xsi:schemaLocation="http://crownking/pack-device-microchip-extension PACK.DEVICE.MICROCHIP.EXTENSION.xsd"><!--https://schemas.microchip.com/com/microchip/packs/extensions/mchp/1.0/PACK.DEVICE.MICROCHIP.EXTENSION.xsd-->
+               <mchp:prerequisite component="MPLAB X IDE" version="[5.10-"/>
+            </mchp:extension>
+         </environment>
         </device>
       </subFamily>
     </family>