fix: adapt trigger conditions to onlt PR. Fix a small typo in the template

Author: jesmrec

.github/workflows/sbom.yml

@@ -1,13 +1,11 @@
 name: SBOM 
 
 on:
-  
+
+  workflow_dispatch:
   pull_request:
     branches:
       - "*"
-  push:
-     branches:
-      - "feature/integrate_sbom"
 
 jobs:
   sbom:

sbom/cyclonedx-xml-to-html.xslt

@@ -131,7 +131,7 @@
             <th style="width: 12%;">Group</th>
             <th style="width: 20%;">Name</th>
             <th style="width: 12%;">Version</th>
-            <th>style="width: 30%;">PURL</th>
+            <th style="width: 30%;">PURL</th>
           </tr>
           <xsl:for-each select="bom:bom/bom:components/bom:component">
             <tr>