Bump com.microsoft.azure:msal4j in /plugins/repository-azure

Bumps [com.microsoft.azure:msal4j](https://github.com/AzureAD/microsoft-authentication-library-for-java) from 1.18.0 to 1.20.0.
- [Release notes](https://github.com/AzureAD/microsoft-authentication-library-for-java/releases)
- [Changelog](https://github.com/AzureAD/microsoft-authentication-library-for-java/blob/dev/changelog.txt)
- [Commits](AzureAD/microsoft-authentication-library-for-java@v1.18.0...1.20.0)

---
updated-dependencies:
- dependency-name: com.microsoft.azure:msal4j
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

plugins/repository-azure/build.gradle

@@ -61,7 +61,7 @@ dependencies {
   // Start of transitive dependencies for azure-identity
   api 'com.microsoft.azure:msal4j-persistence-extension:1.3.0'
   api "net.java.dev.jna:jna-platform:${versions.jna}"
-  api 'com.microsoft.azure:msal4j:1.18.0'
+  api 'com.microsoft.azure:msal4j:1.20.1'
   api 'com.nimbusds:oauth2-oidc-sdk:11.23.1'
   api 'com.nimbusds:nimbus-jose-jwt:10.0.2'
   api 'com.nimbusds:content-type:2.3'