chore: update version to 0.12.0

Signed-off-by: Saurav Sharma <appdroiddeveloper@gmail.com>

Author: iamsauravsharma

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sqlx_migrator"
-version = "0.11.5"
+version = "0.12.0"
 edition = "2021"
 authors = ["Saurav Sharma <appdroiddeveloper@gmail.com>"]
 homepage = "https://github.com/iamsauravsharma/sqlx_migrator"

README.MD

@@ -18,25 +18,25 @@ Supported Databases:
 To use sqlx migrator you can configure Cargo.toml as shown below according to your requirements
 
 ```toml
-sqlx_migrator = { version = "0.11.5", features=["postgres"] }
+sqlx_migrator = { version = "0.12.0", features=["postgres"] }
 ```
 
 OR
 
 ```toml
-sqlx_migrator = { version = "0.11.5", features=["mysql"] }
+sqlx_migrator = { version = "0.12.0", features=["mysql"] }
 ```
 
 OR
 
 ```toml
-sqlx_migrator = { version = "0.11.5", features=["sqlite"] }
+sqlx_migrator = { version = "0.12.0", features=["sqlite"] }
 ```
 
 OR
 
 ```toml
-sqlx_migrator = { version = "0.11.5", features=[
+sqlx_migrator = { version = "0.12.0", features=[
     "any",
     # Plus any one of above database driver
     ] }