fix(deps): migrate manifest_event + transport to nostr 0.44 API

PR #726 introduced new code using old nostr 0.36 patterns:
- EventBuilder::new() 3-arg form → 2-arg + .tags()
- PublicKey::serialize() → .to_bytes()
- Tag::parse(&[...]) → Tag::parse([...]) in e2e_git tests

Author: wpfleger96

crates/sprout-relay/src/api/git/manifest_event.rs

@@ -109,7 +109,7 @@ pub fn build_ref_state_event(
     // p-tag: sprout extension (pusher or owner pubkey).
     tags.push(Tag::public_key(actor));
 
-    let event = EventBuilder::new(Kind::Custom(30618), "", tags)
+    let event = EventBuilder::new(Kind::Custom(30618), "").tags(tags)
         .sign_with_keys(relay_keys)
         .map_err(|e| BuildError::Sign(e.to_string()))?;
 

crates/sprout-relay/src/api/git/transport.rs

@@ -762,7 +762,7 @@ async fn finalize_push(state: &Arc<AppState>, ctx: PushContext) -> Response {
             repo_id: &ctx.repo_id,
             head: &success.manifest.head,
             refs: &success.manifest.refs,
-            actor_pubkey_hex: &hex::encode(ctx.pusher.serialize()),
+            actor_pubkey_hex: &hex::encode(ctx.pusher.to_bytes()),
         };
         match build_ref_state_event(&inputs, &state.relay_keypair) {
             Ok(event) => match state.db.insert_event(&event, None).await {

crates/sprout-test-client/tests/e2e_git.rs

@@ -201,16 +201,13 @@ async fn git_clone_push_fetch_force_roundtrip() {
     let s3 = GitS3Probe::from_env();
 
     // Announce the repo (kind:30617) so the relay creates the bare repo + hook.
-    let announce = EventBuilder::new(
-        Kind::from(30617),
-        "",
-        vec![
-            Tag::parse(&["d", &repo]).unwrap(),
-            Tag::parse(&["name", "e2e git repo"]).unwrap(),
-        ],
-    )
-    .sign_with_keys(&owner)
-    .unwrap();
+    let announce = EventBuilder::new(Kind::from(30617), "")
+        .tags(vec![
+            Tag::parse(["d", &repo]).unwrap(),
+            Tag::parse(["name", "e2e git repo"]).unwrap(),
+        ])
+        .sign_with_keys(&owner)
+        .unwrap();
     post_event(&announce).await;
     tokio::time::sleep(std::time::Duration::from_secs(2)).await;
 
@@ -341,16 +338,13 @@ async fn git_concurrent_push_one_wins_and_repo_recovers() {
     let repo = format!("e2e-git-concurrent-{}", std::process::id());
     let s3 = GitS3Probe::from_env();
 
-    let announce = EventBuilder::new(
-        Kind::from(30617),
-        "",
-        vec![
-            Tag::parse(&["d", &repo]).unwrap(),
-            Tag::parse(&["name", "e2e concurrent git repo"]).unwrap(),
-        ],
-    )
-    .sign_with_keys(&owner)
-    .unwrap();
+    let announce = EventBuilder::new(Kind::from(30617), "")
+        .tags(vec![
+            Tag::parse(["d", &repo]).unwrap(),
+            Tag::parse(["name", "e2e concurrent git repo"]).unwrap(),
+        ])
+        .sign_with_keys(&owner)
+        .unwrap();
     post_event(&announce).await;
     tokio::time::sleep(std::time::Duration::from_secs(2)).await;