[release/6.x] Bump the identity-dependencies group (#5457)

Bumps the identity-dependencies group in /eng/dependabot with 1 update: [Microsoft.IdentityModel.Tokens](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet).

- [Release notes](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases)
- [Changelog](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/blob/dev/CHANGELOG.md)
- [Commits](AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet@7.0.1...7.0.2)

---
updated-dependencies:
- dependency-name: Microsoft.IdentityModel.Tokens
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: identity-dependencies
...

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

Author: dependabot[bot]

eng/dependabot/Versions.props

@@ -11,7 +11,7 @@
     <MicrosoftExtensionsLoggingAbstractionsVersion>6.0.4</MicrosoftExtensionsLoggingAbstractionsVersion>
     <MicrosoftExtensionsLoggingConsoleVersion>6.0.0</MicrosoftExtensionsLoggingConsoleVersion>
     <MicrosoftExtensionsLoggingEventSourceVersion>6.0.0</MicrosoftExtensionsLoggingEventSourceVersion>
-    <MicrosoftIdentityModelTokensVersion>7.0.1</MicrosoftIdentityModelTokensVersion>
+    <MicrosoftIdentityModelTokensVersion>7.0.2</MicrosoftIdentityModelTokensVersion>
     <MicrosoftOpenApiReadersVersion>1.6.9</MicrosoftOpenApiReadersVersion>
     <SystemPrivateUriVersion>4.3.2</SystemPrivateUriVersion>
     <SystemSecurityPrincipalWindowsVersion>5.0.0</SystemSecurityPrincipalWindowsVersion>