Bump pg from 1.6.3 to 1.7.0

Bumps [pg](https://github.com/ged/ruby-pg) from 1.6.3 to 1.7.0.
- [Changelog](https://github.com/ged/ruby-pg/blob/master/CHANGELOG.md)
- [Commits](ged/ruby-pg@v1.6.3...v1.7.0)

---
updated-dependencies:
- dependency-name: pg
  dependency-version: 1.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -173,13 +173,13 @@ GEM
       racc (~> 1.4)
     nokogiri (1.19.4-x86_64-linux-musl)
       racc (~> 1.4)
-    pg (1.6.3)
-    pg (1.6.3-aarch64-linux)
-    pg (1.6.3-aarch64-linux-musl)
-    pg (1.6.3-arm64-darwin)
-    pg (1.6.3-x86_64-darwin)
-    pg (1.6.3-x86_64-linux)
-    pg (1.6.3-x86_64-linux-musl)
+    pg (1.7.0)
+    pg (1.7.0-aarch64-linux)
+    pg (1.7.0-aarch64-linux-musl)
+    pg (1.7.0-arm64-darwin)
+    pg (1.7.0-x86_64-darwin)
+    pg (1.7.0-x86_64-linux)
+    pg (1.7.0-x86_64-linux-musl)
     power_assert (3.1.0)
     pp (0.6.4)
       prettyprint