Bump io.fixprotocol.orchestra:repository from 1.6.8 to 1.7.3

Bumps [io.fixprotocol.orchestra:repository](https://github.com/FIXTradingCommunity/fix-orchestra) from 1.6.8 to 1.7.3.
- [Release notes](https://github.com/FIXTradingCommunity/fix-orchestra/releases)
- [Commits](https://github.com/FIXTradingCommunity/fix-orchestra/commits)

---
updated-dependencies:
- dependency-name: io.fixprotocol.orchestra:repository
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -100,7 +100,7 @@
 		<plantuml-version>8059</plantuml-version>
 		<xml-maven-plugin-version>1.0.2</xml-maven-plugin-version>
 		<fix-orchestra.standard.version>1.5.4</fix-orchestra.standard.version>
-		<fix-orchestra.repository.version>1.6.8</fix-orchestra.repository.version>
+		<fix-orchestra.repository.version>1.7.3</fix-orchestra.repository.version>
 		<docgen.version>1.6.8</docgen.version>
 		<jaxb.version>4.0.1</jaxb.version>
 		<apache.mina.version>2.2.3</apache.mina.version>