Rename RemoteProject -> DevServerProject (#11301)

Co-Authored-By: Mikayla <mikayla@zed.dev>

In a fit of ill-advisedness I called these things remote projects;
forgetting that remote project is also what we call collaboratively
shared projects.

Release Notes:

- N/A

---------

Co-authored-by: Mikayla <mikayla@zed.dev>
Co-authored-by: Bennet <bennetbo@gmx.de>

crates/collab/migrations/20240502150229_rename_to_dev_server_projects.sql

@@ -0,0 +1,11 @@
+CREATE TABLE dev_server_projects (
+    id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 100),
+    dev_server_id INT NOT NULL REFERENCES dev_servers(id) ON DELETE CASCADE,
+    path TEXT NOT NULL
+);
+INSERT INTO dev_server_projects OVERRIDING SYSTEM VALUE SELECT * FROM remote_projects;
+
+ALTER TABLE dev_server_projects ADD CONSTRAINT uix_dev_server_projects_dev_server_id_path UNIQUE(dev_server_id, path);
+
+ALTER TABLE projects ADD COLUMN dev_server_project_id INTEGER REFERENCES dev_server_projects(id);
+UPDATE projects SET dev_server_project_id = remote_project_id;