Prepare v1.4.0 (#410)

Bump package.json to v1.4.0 and search-headless-react to v2.4.0.

THIRD-PARTY-NOTICES

@@ -1227,7 +1227,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 The following NPM package may be included in this product:
 
- - @yext/search-core@2.5.0-beta.3
+ - @yext/search-core@2.5.0
 
 This package contains the following license and notice below:
 
@@ -1271,7 +1271,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 The following NPM package may be included in this product:
 
- - @yext/search-headless-react@2.4.0-beta.3
+ - @yext/search-headless-react@2.4.0
 
 This package contains the following license and notice below:
 
@@ -1315,7 +1315,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 The following NPM package may be included in this product:
 
- - @yext/search-headless@2.5.0-beta.3
+ - @yext/search-headless@2.5.0
 
 This package contains the following license and notice below:
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@yext/search-ui-react",
-  "version": "1.4.0-beta.3",
+  "version": "1.4.0",
   "description": "A library of React Components for powering Yext Search integrations",
   "author": "slapshot@yext.com",
   "license": "BSD-3-Clause",
@@ -83,7 +83,7 @@
     "@typescript-eslint/eslint-plugin": "^5.16.0",
     "@typescript-eslint/parser": "^5.16.0",
     "@yext/eslint-config-slapshot": "^0.5.0",
-    "@yext/search-headless-react": "^2.4.0-beta.3",
+    "@yext/search-headless-react": "^2.4.0",
     "axe-core": "^4.8.2",
     "axe-playwright": "^1.2.3",
     "babel-jest": "^29.7.0",
@@ -105,7 +105,7 @@
     "typescript": "^5.2.2"
   },
   "peerDependencies": {
-    "@yext/search-headless-react": "^2.4.0-beta.3",
+    "@yext/search-headless-react": "^2.4.0",
     "react": "^16.14 || ^17",
     "react-dom": "^16.14 || ^17"
   },