[v0.3] Migrate SQL cache to Steve (#474)

* Migrate SQLcache to Steve

* Fix imports

* go mod tidy

* Fix lint errors

* Remove lasso SQL cache mentions

* Fix more CI lint errors

* fix goimports

Signed-off-by: Silvio Moioli <silvio@moioli.net>

* Fix more linting errors

* More lint fix

* Add envtest support

---------

Signed-off-by: Silvio Moioli <silvio@moioli.net>
Co-authored-by: Silvio Moioli <silvio@moioli.net>

pkg/sqlcache/partition/partition.go

@@ -0,0 +1,24 @@
+/*
+Package partition represents listing parameters. They can be used to specify which namespaces a caller would like included
+in a response, or which specific objects they are looking for.
+*/
+package partition
+
+import (
+	"k8s.io/apimachinery/pkg/util/sets"
+)
+
+// Partition represents filtering of a request's results
+type Partition struct {
+	// if true, do not apply any filtering, return all results. Overrides all other fields
+	Passthrough bool
+
+	// if non-empty, only resources in the specified namespaces will be returned
+	Namespace string
+
+	// if true, return all results, while still honoring Namespace. Overrides Names
+	All bool
+
+	// if non-empty, only resources with matching names will be returned
+	Names sets.Set[string]
+}