fix(action): prefix pr with repo owner slug

Author: maxprilutskiy

action/src/flows/pull-request.ts

@@ -61,7 +61,7 @@ export class PullRequestFlow extends InBranchFlow {
     const existingPr = await this.octokit.rest.pulls.list({
       owner: this.config.repositoryOwner,
       repo: this.config.repositoryName,
-      head: i18nBranchName,
+      head: `${this.config.repositoryOwner}:${i18nBranchName}`,
       base: this.config.baseBranchName,
       state: 'open',
     }).then(({ data }) => data[0]);
@@ -84,7 +84,7 @@ export class PullRequestFlow extends InBranchFlow {
     const newPr = await this.octokit.rest.pulls.create({
       owner: this.config.repositoryOwner,
       repo: this.config.repositoryName,
-      head: this.i18nBranchName!,
+      head: i18nBranchName,
       base: this.config.baseBranchName,
       title: this.config.pullRequestTitle,
       body: this.getPrBodyContent(),
@@ -190,4 +190,4 @@ Hey team,
 - [ ] Merge when ready
     `.trim();
   }
-}
+}