Merge branch 'main' into dl/vertex-imagen

Author: dlarocque

.changeset/flat-plums-hope.md

@@ -0,0 +1,6 @@
+---
+'@firebase/remote-config': minor
+'firebase': minor
+---
+
+Adds support for initial state hydration (from SSR contexts)

.changeset/forty-bags-arrive.md

@@ -0,0 +1,8 @@
+---
+'@firebase/database-compat': patch
+'@firebase/database': patch
+'firebase': patch
+---
+
+Fixed: invoking `connectDatabaseEmulator` multiple times with the same parameters will no longer
+cause an error. Fixes [GitHub Issue #6824](https://github.com/firebase/firebase-js-sdk/issues/6824).