build: publish script should not print error if tag does not exist

Currently the publish script prints an error if the release tag does not exist locally yet. This is not expected since the function
that calls `git` to check if a given tag exists, returns a boolean and should not additionally print the git `stderr`.

Author: devversion

tools/release/git/git-client.ts

@@ -14,10 +14,10 @@ export class GitClient {
    * Spawns a child process running Git. The "stderr" output is inherited and will be printed
    * in case of errors. This makes it easier to debug failed commands.
    */
-  private _spawnGitProcess(args: string[]): SpawnSyncReturns<string> {
+  private _spawnGitProcess(args: string[], printStderr = true): SpawnSyncReturns<string> {
     return spawnSync('git', args, {
       cwd: this.projectDir,
-      stdio: ['pipe', 'pipe', 'inherit'],
+      stdio: ['pipe', 'pipe', printStderr ? 'inherit' : 'pipe'],
       encoding: 'utf8',
     });
   }
@@ -76,7 +76,7 @@ export class GitClient {
 
   /** Checks whether the specified tag exists locally. */
   hasLocalTag(tagName: string) {
-    return this._spawnGitProcess(['rev-parse', `refs/tags/${tagName}`]).status === 0;
+    return this._spawnGitProcess(['rev-parse', `refs/tags/${tagName}`], false).status === 0;
   }
 
   /** Gets the Git SHA of the specified local tag. */