Fetch owl from release asset

Author: minottic

src/__tests__/unit/technique-getter.unit.ts

@@ -262,7 +262,7 @@ describe('GitHubOwlTechnique', () => {
   });
 
   describe('composeURL', () => {
-    const expectedURL = 'http://aurl/aCommit/aFile';
+    const expectedURL = 'http://aurl/download/aCommit/aFile';
     const tests = [
       {
         args: new techniqueGetter.GitHubOwlTechnique({

src/misc/technique-getter.ts

@@ -128,9 +128,11 @@ export class GitHubOwlTechnique extends OntologyTechnique {
     config = config ?? {};
     this.repoURL =
       config.url ??
-      'https://raw.githubusercontent.com/ExPaNDS-eu/ExPaNDS-experimental-techniques-ontology';
-    this.commit = config.commit ?? 'master';
-    this.file = config.file ?? 'source/PaNET.owl';
+      'https://github.com/ExPaNDS-eu/ExPaNDS-experimental-techniques-ontology/releases/';
+    this.commit = config.commit
+      ? `download/${config.commit}`
+      : 'latest/download';
+    this.file = config.file ?? 'PaNET.owl';
     this.equivalentClasses = {};
     this.keys.push(...['prefLabel', 'synonym']);
   }