fix(cache): use key versioning (#10657)

# Which Problems Are Solved

Cached object may have a different schema between Zitadel versions.

# How the Problems Are Solved

Use the curent build version in DB based cache connectors PostgreSQL and
Redis.

# Additional Changes

- Cleanup the ZitadelVersion field from the authz Instance
- Solve potential race condition on global variables in build package.

# Additional Context

- Closes https://github.com/zitadel/zitadel/issues/10648
- Obsoletes https://github.com/zitadel/zitadel/pull/10646
- Needs to be back-ported to v4 over
https://github.com/zitadel/zitadel/pull/10645

(cherry picked from commit f6f37d3a31)

internal/cache/cache.go

@@ -97,6 +97,9 @@ const (
 type Config struct {
 	Connector Connector
 
+	// Cache keys are prefixed with the Zitadel version.
+	ZitadelVersion string
+
 	// Age since an object was added to the cache,
 	// after which the object is considered invalid.
 	// 0 disables max age checks.