fix: fetching metadata from ipfs.io gateway

Author: MSzalowski

CHANGELOG.md

@@ -17,6 +17,7 @@ changes.
 ### Fixed
 
 - Fix CIP-129 DRep view identifier for script based DReps [Issue 2583](https://github.com/IntersectMBO/govtool/issues/2583)
+- Fix fetching metadata from IPFS gateway
 - Fix bad request on passing the random sorting to GA list request [Issue 2535](https://github.com/IntersectMBO/govtool/issues/2535)
 - Fix wrong drep activity conditions
 

govtool/metadata-validation/src/app.service.ts

@@ -32,6 +32,8 @@ export class AppService {
         this.httpService
           .get(url, {
             headers: {
+              // Required to not being blocked by APIs that require a User-Agent
+              'User-Agent': 'GovTool/Metadata-Validation-Tool',
               'Content-Type': 'application/json',
               ...(isIPFS &&
                 process.env.IPFS_PROJECT_ID && {