build(deps): bump com.guardsquare:proguard-gradle from 7.3.1 to 7.3.2 (#3032)

Bumps [com.guardsquare:proguard-gradle](https://github.com/Guardsquare/proguard) from 7.3.1 to 7.3.2.
- [Release notes](https://github.com/Guardsquare/proguard/releases)
- [Commits](Guardsquare/proguard@v7.3.1...v7.3.2)

---
updated-dependencies:
- dependency-name: com.guardsquare:proguard-gradle
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

build.gradle

@@ -25,7 +25,7 @@ buildscript {
                 commons_text   : 'org.apache.commons:commons-text:1.10.0',
                 guava          : 'com.google.guava:guava:31.1-jre',
                 junit          : 'junit:junit:4.13.2',
-                proguard_gradle: 'com.guardsquare:proguard-gradle:7.3.1',
+                proguard_gradle: 'com.guardsquare:proguard-gradle:7.3.2',
                 snakeyaml      : 'org.yaml:snakeyaml:1.32:android',
                 smali          : 'com.github.iBotPeaches.smali:smali:403e90375e',
                 xmlpull        : 'xpp3:xpp3:1.1.4c',