Update pack building workflows

- runs-on:         from ubuntu-22.04 to ubuntu-24.04
- packchk-version: from 1.4.1        to 1.4.4

Author: VladimirUmek

.github/workflows/pack.yaml

@@ -14,7 +14,7 @@ concurrency:
 jobs:
   pack:
     name: Generate pack
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
         with:
@@ -28,7 +28,7 @@ jobs:
       - uses: Open-CMSIS-Pack/gen-pack-action@main
         with:
           doxygen-version: 1.13.2
-          packchk-version: 1.4.1
+          packchk-version: 1.4.4
           gen-doc-script: ./Documentation/Doxygen/gen_doc.sh
           doc-path: ./Documentation/html
           gen-pack-script: ./gen_pack.sh --no-preprocess