Update gemspec description

Author: hannahramadan

helpers/sql-obfuscation/opentelemetry-helpers-sql-obfuscation.gemspec

@@ -14,8 +14,8 @@ Gem::Specification.new do |spec|
   spec.authors     = ['OpenTelemetry Authors']
   spec.email       = ['[email protected]']
 
-  spec.summary     = 'SQL Obfuscation Instrumentation Helpers for the OpenTelemetry framework'
-  spec.description = 'SQL Obfuscation Instrumentation Helpers for the OpenTelemetry framework'
+  spec.summary     = 'This gem is deprecated and no longer maintained. It has been replaced by opentelemetry-helpers-sql-processor.'
+  spec.description = 'This gem is deprecated and no longer maintained. It has been replaced by opentelemetry-helpers-sql-processor.'
   spec.homepage    = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib'
   spec.license     = 'Apache-2.0'