Bump opentelemetry-instrumentation-pg from 0.26.0 to 0.26.1

Bumps [opentelemetry-instrumentation-pg](https://github.com/open-telemetry/opentelemetry-ruby-contrib) from 0.26.0 to 0.26.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-ruby-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-ruby-contrib/blob/main/instrumentation/pg/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-ruby-contrib@opentelemetry-instrumentation-pg/v0.26.0...opentelemetry-instrumentation-pg/v0.26.1)

---
updated-dependencies:
- dependency-name: opentelemetry-instrumentation-pg
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -313,7 +313,7 @@ GEM
       opentelemetry-api (~> 1.0)
       opentelemetry-common (~> 0.20.0)
       opentelemetry-instrumentation-base (~> 0.22.1)
-    opentelemetry-instrumentation-pg (0.26.0)
+    opentelemetry-instrumentation-pg (0.26.1)
       opentelemetry-api (~> 1.0)
       opentelemetry-instrumentation-base (~> 0.22.1)
     opentelemetry-instrumentation-que (0.7.0)