Bump com.ibm.icu:icu4j from 72.1 to 73.1

Bumps [com.ibm.icu:icu4j](https://github.com/unicode-org/icu) from 72.1 to 73.1.
- [Release notes](https://github.com/unicode-org/icu/releases)
- [Commits](https://github.com/unicode-org/icu/commits)

---
updated-dependencies:
- dependency-name: com.ibm.icu:icu4j
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

shadows/framework/build.gradle

@@ -53,7 +53,7 @@ dependencies {
     compileOnly "com.google.code.findbugs:jsr305:3.0.2"
     api "com.almworks.sqlite4java:sqlite4java:$sqlite4javaVersion"
     compileOnly(AndroidSdk.MAX_SDK.coordinates)
-    api "com.ibm.icu:icu4j:72.1"
+    api "com.ibm.icu:icu4j:73.1"
     api "androidx.annotation:annotation:1.1.0"
     api "com.google.auto.value:auto-value-annotations:1.10.1"
     annotationProcessor "com.google.auto.value:auto-value:1.10.1"