deps: crystal → 0.30.1, crystal-db → 0.6.0

BREAKING CHANGE: would not compile on eariler Crystal versions

Author: acidtib

README.md

@@ -44,7 +44,7 @@ dependencies:
     version: ~> 0.8.0
 + pg:
 +   github: will/crystal-pg
-+   version: ~> 0.16.0
++   version: ~> 0.18.0
 ```
 
 ## Usage 💻

shard.yml

@@ -4,7 +4,7 @@ version: 0.8.1
 authors:
   - Vlad Faust <mail@vladfaust.com>
 
-crystal: 0.29.0
+crystal: 0.30.1
 
 license: MIT
 
@@ -14,12 +14,12 @@ dependencies:
     version: ~> 0.1.0
   db:
     github: crystal-lang/crystal-db
-    version: ~> 0.5.0
+    version: ~> 0.6.0
 
 development_dependencies:
   sqlite3:
     github: crystal-lang/crystal-sqlite3
-    version: ~> 0.11.0
+    version: ~> 0.13.0
   pg:
     github: will/crystal-pg
-    version: ~> 0.16.1
+    version: ~> 0.18.0