fix: update peerDependencies and version bump

Author: Tom Müller

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ng-mat-search-bar",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "license": "MIT",
   "scripts": {
     "build": "ng build",
@@ -48,21 +48,9 @@
     "zone.js": "^0.8.26"
   },
   "peerDependencies": {
-    "@angular/animations": "^7.1.0",
-    "@angular/cdk": "^7.1.0",
-    "@angular/cli": "^7.1.0",
-    "@angular/common": "^7.1.0",
-    "@angular/compiler": "^7.1.0",
-    "@angular/compiler-cli": "^7.1.0",
-    "@angular/core": "^7.1.0",
-    "@angular/forms": "^7.1.0",
-    "@angular/material": "^7.1.0",
-    "@angular/platform-browser": "^7.1.0",
-    "@angular/platform-browser-dynamic": "^7.1.0",
-    "core-js": "^2.4.1",
-    "rxjs": "^6.3.3",
-    "typescript": "~3.1.6",
-    "zone.js": "^0.8.26"
+    "@angular/animations": "^7.0.0",
+    "@angular/core": "^7.0.0",
+    "@angular/material": "^7.0.0"
   },
   "ngPackage": {
     "lib": {