update Telemetry Configurations

[tanya732]

Summary

This PR wires telemetry end-to-end and makes the core (auth0-api-java) and wrapper (auth0-springboot-api) report as independent identities, so adoption of each can be tracked separately.

What changed

• New Telemetry value object (com.auth0.telemetry.Telemetry) - builds the Base64url-encoded Auth0-Client payload following the Auth0 SDK convention: {"name":..,"version":..,"env":{..}}. A wrapper reports itself as the top-level
  name and nests the core version in env. Uses java.specification.version for the env.java value.
• TelemetryProvider reworked - now reads the core name/version and produces the default core Telemetry; exposes coreVersion() for wrappers to nest.
• Identity carried on AuthOptions - new telemetry(...) builder + getter; the core default is used unless a wrapper overrides it.
• Header attached at every outbound call in JWTValidator / OidcDiscoveryFetcher: OIDC discovery, the domain JWKS path, and the dynamic JWKS path.
• Spring Boot wrapper identity — Auth0AutoConfiguration injects SpringBootTelemetry.get(), reporting auth0-springboot-api with the core version nested under env.
• Version filtering — added auth0-springboot-client-info.properties with ${version}substitution wired in the springbootbuild.gradle; corrected the core properties nametoauth0-api-java`.

Resulting header values (decoded, verified at runtime)

Core, standalone:
{"name":"auth0-api-java","version":"1.0.0-beta.1","env":{"java":"17"}}

Spring Boot wrapper:
{"name":"auth0-springboot-api","version":"1.0.0-beta.1","env":{"auth0-api-java":"1.0.0-beta.1","java":"17"}}

Notes

• No behavior change to token validation; telemetry only adds a request header on
  calls already made to the issuer's own host (guarded by the existing
  JWKS-host-must-match-issuer check).
• Adoption data will begin flowing once this ships and consumers upgrade.

Test plan

• ./gradlew clean build passes
• Confirm decoded Auth0-Client header matches the values above for both SDKs
• Verify ${version} is substituted in both built *-client-info.properties