Update pg_query requirement from ~> 5.1.0 to >= 5.1, < 6.1

Updates the requirements on [pg_query](https://github.com/pganalyze/pg_query) to permit the latest version.
- [Changelog](https://github.com/pganalyze/pg_query/blob/main/CHANGELOG.md)
- [Commits](pganalyze/pg_query@v5.1.0...v6.0.0)

---
updated-dependencies:
- dependency-name: pg_query
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -4,21 +4,21 @@ PATH
     pg_easy_replicate (0.3.8)
       ougai (~> 2.0.0)
       pg (~> 1.5.3)
-      pg_query (~> 5.1.0)
+      pg_query (>= 5.1, < 6.1)
       sequel (>= 5.69, < 5.87)
       thor (>= 1.2.2, < 1.4.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
-    bigdecimal (3.1.8)
+    bigdecimal (3.1.9)
     coderay (1.1.3)
     diff-lcs (1.5.1)
-    google-protobuf (4.28.2-arm64-darwin)
+    google-protobuf (4.29.2-arm64-darwin)
       bigdecimal
       rake (>= 13)
-    google-protobuf (4.28.2-x86_64-linux)
+    google-protobuf (4.29.2-x86_64-linux)
       bigdecimal
       rake (>= 13)
     haml (6.1.1)
@@ -36,8 +36,8 @@ GEM
       ast (~> 2.4.1)
       racc
     pg (1.5.9)
-    pg_query (5.1.0)
-      google-protobuf (>= 3.22.3)
+    pg_query (6.0.0)
+      google-protobuf (>= 3.25.3)
     prettier_print (1.2.1)
     pry (0.15.2)
       coderay (~> 1.1)

pg_easy_replicate.gemspec

@@ -40,7 +40,7 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency("ougai", "~> 2.0.0")
   spec.add_runtime_dependency("pg", "~> 1.5.3")
-  spec.add_runtime_dependency("pg_query", "~> 5.1.0")
+  spec.add_runtime_dependency("pg_query", ">= 5.1", "< 6.1")
   spec.add_runtime_dependency("sequel", ">= 5.69", "< 5.87")
   spec.add_runtime_dependency("thor", ">= 1.2.2", "< 1.4.0")