SecretsManager: Introduce keeper store (#105557)

* SecretsManager: Introduce secret database wrapper

Co-authored-by: PoorlyDefinedBehaviour <brunotj2015@hotmail.com>
Co-authored-by: Leandro Deveikis <leandro.deveikis@gmail.com>
Co-authored-by: Dana Axinte <53751979+dana-axinte@users.noreply.github.com>
Co-authored-by: Matheus Macabu <macabu@users.noreply.github.com>

* SecretsManager: Introduce db migrator with keeper table

Co-authored-by: PoorlyDefinedBehaviour <brunotj2015@hotmail.com>
Co-authored-by: Leandro Deveikis <leandro.deveikis@gmail.com>
Co-authored-by: Dana Axinte <53751979+dana-axinte@users.noreply.github.com>
Co-authored-by: Matheus Macabu <macabu@users.noreply.github.com>

* SecretsManager: Introduce keeper store

Co-authored-by: Leandro Deveikis <leandro.deveikis@gmail.com>
Co-authored-by: Dana Axinte <53751979+dana-axinte@users.noreply.github.com>
Co-authored-by: Matheus Macabu <macabu@users.noreply.github.com>

* new line

* without query listByNameSecureValue

* remove unused extractSecureValues for now

* SecretsManager: Add keeper integration tests

Co-authored-by: Leandro Deveikis <leandro.deveikis@gmail.com>
Co-authored-by: Dana Axinte <53751979+dana-axinte@users.noreply.github.com>
Co-authored-by: Matheus Macabu <macabu@users.noreply.github.com>

---------

Co-authored-by: PoorlyDefinedBehaviour <brunotj2015@hotmail.com>
Co-authored-by: Leandro Deveikis <leandro.deveikis@gmail.com>
Co-authored-by: Matheus Macabu <macabu@users.noreply.github.com>

pkg/storage/secret/metadata/testdata/mysql--keeper_create-create.sql

@@ -0,0 +1,27 @@
+INSERT INTO `secret_keeper` (
+  `guid`,
+  `name`,
+  `namespace`,
+  `annotations`,
+  `labels`,
+  `created`,
+  `created_by`,
+  `updated`,
+  `updated_by`,
+  `description`,
+  `type`,
+  `payload`
+) VALUES (
+  'abc',
+  'name',
+  'ns',
+  '{"x":"XXXX"}',
+  '{"a":"AAA", "b", "BBBB"}',
+  1234,
+  'user:ryan',
+  5678,
+  'user:cameron',
+  'description',
+  'sql',
+  ''
+);