feature: tag from ci fetches commits from remote api

src/git_flow/remote/gitea.py

@@ -1,5 +1,6 @@
 import requests
 from git_flow import GitFlowError
+from git_flow.git import Commit
 from git_flow.remote.base import RemoteAPI
 
 
@@ -44,6 +45,35 @@ class GiteaRemoteAPI(RemoteAPI):
         else:
             raise GitFlowError("Ocurrió un error al crear el tag: " + response.text)
 
+    def get_merge_commits(self, merge_commit: str) -> list[Commit]:
+        pr = self.get_json(self.get_endpoint(f"/commits/{merge_commit}/pull")).json()
+        url = self.get_endpoint(f"/pulls/{pr['number']}/commits")
+        items: list = []
+        page = 1
+
+        # Gitea pagina con page / limit
+        while True:
+            batch = self.get_json(
+                url, {"page": page, "limit": 50, "files": "false", "verification": "false"}
+            ).json()
+            items += batch
+
+            if len(batch) < 50:
+                break
+
+            page += 1
+
+        # La API los devuelve del más viejo al más nuevo
+        return [
+            Commit(
+                c["sha"][:7],
+                c["commit"]["message"].splitlines()[0],
+                c["commit"]["author"]["email"],
+                len(c["parents"]) > 1,
+            )
+            for c in reversed(items)
+        ]
+
     def get_endpoint(self, resource: str) -> str:
         return f"{self.base_url}/api/v1/repos/{self.repository}{resource}"