Bump Npgsql high bound from 6.0.7 to 7.0.2 (#185)

* Bump Npgsql from 5.0.11 to 7.0.2

Bumps [Npgsql](https://github.com/npgsql/npgsql) from 5.0.11 to 7.0.2.
- [Release notes](https://github.com/npgsql/npgsql/releases)
- [Commits](npgsql/npgsql@v5.0.11...v7.0.2)

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

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

* Update Directory.Build.props

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Gregorius Soedharmo <arkatufus@yahoo.com>

src/Directory.Build.props

@@ -16,7 +16,7 @@
     <XunitRunnerVersion>2.4.5</XunitRunnerVersion>
     <AkkaVersion>1.5.1</AkkaVersion>
     <PostgresLowVersion>5.0.11</PostgresLowVersion>
-    <PostgresHighVersion>6.0.7</PostgresHighVersion>
+    <PostgresHighVersion>7.0.2</PostgresHighVersion>
     <PostgresVersion>[$(PostgresLowVersion), $(PostgresHighVersion)]</PostgresVersion>
     <NetStandardLibVersion>netstandard2.0</NetStandardLibVersion>
     <TestSdkVersion>17.4.1</TestSdkVersion>
@@ -27,4 +27,4 @@
     <PackageReleaseNotes>[Update Akka.NET to v1.4.46](https://github.com/akkadotnet/akka.net/releases/tag/1.4.46)
 [Add `tag-column-size` HOCON setting to modify journal table Tags column size](https://github.com/akkadotnet/Akka.Persistence.PostgreSql/pull/167)</PackageReleaseNotes>
   </PropertyGroup>
-</Project>
+</Project>