Update API response, crates and GHA (#7470)

- Updated API response to more closely match v2026.6.0+ server versions.
- Updated all the crates
- Updated Rust to v1.97.1
- Updated the web-vault to v2026.6.4
- Updated GitHub Actions

Signed-off-by: BlackDex <black.dex@gmail.com>

src/api/core/accounts.rs

@@ -1330,6 +1330,13 @@ pub async fn prelogin(data: Json<PreloginData>, conn: DbConn) -> Json<Value> {
         "kdfIterations": kdf_iter,
         "kdfMemory": kdf_mem,
         "kdfParallelism": kdf_para,
+        "kdfSettings": {
+            "iterations": kdf_iter,
+            "kdfType": kdf_type,
+            "memory": kdf_mem,
+            "parallelism": kdf_para
+        },
+        "salt": null,
     }))
 }
 

src/api/core/mod.rs

@@ -228,14 +228,17 @@ fn config() -> Json<Value> {
         // Version history:
         // - Individual cipher key encryption: 2024.2.0
         // - Mobile app support for MasterPasswordUnlockData: 2025.8.0
-        "version": "2025.12.0",
+        "version": "2026.6.0",
         "gitHash": option_env!("GIT_REV"),
         "server": {
           "name": "Vaultwarden",
           "url": "https://github.com/dani-garcia/vaultwarden"
         },
         "settings": {
-            "disableUserRegistration": CONFIG.is_signup_disabled()
+            "disableUserRegistration": CONFIG.is_signup_disabled(),
+            // When enabled, this setting signals to clients that onboarding interstitials
+            // (post-login welcome dialogs, extension install prompts, setup extension redirects, and premium upsell modals) should be suppressed
+            "suppressOnboardingInterstitials": false
         },
         "environment": {
           "vault": domain,
@@ -251,6 +254,10 @@ fn config() -> Json<Value> {
           "vapidPublicKey": null
         },
         "featureStates": feature_states,
+        // Not supported right now
+        // Used for by clients to learn if the server requires extra work to establish a connection.
+        // See: https://github.com/bitwarden/server/pull/6892 | https://github.com/bitwarden/server/commit/52955d1860b4dfb905f67bbe39d9b10bbd61ded0
+        "communication": null,
         "object": "config",
     }))
 }