Update libclang for QDoc to 18.1.7

* Update the version variable used to identify the correct libclang
  package for download and cache sites.
* Add provisioning package locations for Ubuntu 24.04 ARM64.
* Update SHA1 for provisioning packages on all platforms.

Fixes: QTBUG-126412
Task-number: QTQAINFRA-6112
Pick-to: 6.8
Change-Id: Id30841efb29d78c9d2d54ffa6af9993b12734c0b
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

coin/provisioning/common/windows/libclang.ps1

@@ -5,7 +5,7 @@ param(
 )
 . "$PSScriptRoot\helpers.ps1"
 
-$libclang_version="17.0.6"
+$libclang_version="18.1.7"
 Write-Output "libClang = $libclang_version" >> ~/versions.txt
 
 # PySide versions following 5.6 use a C++ parser based on Clang (http://clang.org/).
@@ -38,7 +38,7 @@ $toolchainSuffix = ""
 
 if ( $toolchain -eq "vs2019" ) {
     if ( $archVer -eq 64 ) {
-        $sha1 = "7e3e474081d2e1d5d95c9743532de01b8e59b9aa"
+        $sha1 = "8e0862386caef7e4537599ef980eeb6ebee8767f"
     }
     else {
         $sha1 = ""
@@ -48,7 +48,7 @@ if ( $toolchain -eq "vs2019" ) {
 
 if ( $toolchain -eq "mingw" ) {
     if ( $archVer -eq 64 ) {
-        $sha1 = "b9e65f617cd8d6e8fb8ae734383f03f6a7b202ed"
+        $sha1 = "a23cbb0822cf2eb8d1cecf26e8614ef37a7611e3"
     }
     else {
         $sha1 = ""
@@ -56,9 +56,10 @@ if ( $toolchain -eq "mingw" ) {
     $toolchainSuffix = "mingw"
 }
 
+
 if ( $toolchain -eq "llvm-mingw" ) {
     if ( $archVer -eq 64 ) {
-        $sha1 = "1844f107d067b69deabf375fc024848c1c8b015d"
+        $sha1 = "9c34f99eb575b42c2befe27829c08e6d3f01ae58"
     }
     else {
         $sha1 = ""