Bump version to 1.2.0 (#10)

This PR:
- Bumps version to 1.2.0


## What's Changed
* Add Celo deployment by @Uxio0 in
#2
* Migrate the package to `@safe-global` by @mmv08 in
#4
* Add sepolia deployment by @moisses89 in
#7
* Add Safe 4337 Module Deployment by @nlordell in
#8
* Polygon deployment by @mmv08 in
#9

## New Contributors
* @Uxio0 made their first contribution in
#2
* @moisses89 made their first contribution in
#7
* @nlordell made their first contribution in
#8

**Full Changelog**:
v1.0.0...v1.1.0

Author: mmv08

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@safe-global/safe-modules-deployments",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Collection of Safe Modules singleton deployments",
   "homepage": "https://github.com/safe-global/safe-modules-deployments/",
   "license": "MIT",