Bump pg from 1.5.9 to 1.6.0

Bumps [pg](https://github.com/ged/ruby-pg) from 1.5.9 to 1.6.0.
- [Changelog](https://github.com/ged/ruby-pg/blob/master/CHANGELOG.md)
- [Commits](ged/ruby-pg@v1.5.9...v1.6.0)

---
updated-dependencies:
- dependency-name: pg
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -351,7 +351,11 @@ GEM
     parser (3.3.9.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.9)
+    pg (1.6.0)
+    pg (1.6.0-aarch64-linux)
+    pg (1.6.0-arm64-darwin)
+    pg (1.6.0-x86_64-darwin)
+    pg (1.6.0-x86_64-linux)
     pp (0.6.2)
       prettyprint
     prettyprint (0.2.0)
@@ -896,7 +900,11 @@ CHECKSUMS
   package_json (0.1.0) sha256=20af98c0e45dadcd48b6f45a3324e948f578e7549365671b97faca4637770256
   parallel (1.27.0) sha256=4ac151e1806b755fb4e2dc2332cbf0e54f2e24ba821ff2d3dcf86bf6dc4ae130
   parser (3.3.9.0) sha256=94d6929354b1a6e3e1f89d79d4d302cc8f5aa814431a6c9c7e0623335d7687f2
-  pg (1.5.9) sha256=761efbdf73b66516f0c26fcbe6515dc7500c3f0aa1a1b853feae245433c64fdc
+  pg (1.6.0) sha256=26ea1694e4ed2e387a8292373acbb62ff9696d691d3a1b8b76cf56eb1d9bd40b
+  pg (1.6.0-aarch64-linux) sha256=23690afbe8d4374a399a6ff683e2aee713002e27767b3e40be0c112d90a9a648
+  pg (1.6.0-arm64-darwin) sha256=1ee9bf9858a532020e69483a0939b51eff52b369ee6cb2ce267c4d06e211f3e6
+  pg (1.6.0-x86_64-darwin) sha256=b0f631bd96f914a4a54267d2fb33a25caa7e6004670734f517b04e82b6a74f06
+  pg (1.6.0-x86_64-linux) sha256=5e0054765ab94f80152cbfbf986da54348b145e436663579df3d1e1d667d5e39
   pp (0.6.2) sha256=947ec3120c6f92195f8ee8aa25a7b2c5297bb106d83b41baa02983686577b6ff
   prettyprint (0.2.0) sha256=2bc9e15581a94742064a3cc8b0fb9d45aae3d03a1baa6ef80922627a0766f193
   prism (1.4.0) sha256=dc0e3e00e93160213dc2a65519d9002a4a1e7b962db57d444cf1a71565bb703e