refactor: rewrite get executions using useExecutions with RQ

packages/backend/src/graphql/schema.graphql

@@ -13,11 +13,6 @@ type Query {
     name: String
   ): FlowConnection
   getStepWithTestExecutions(stepId: String!): [Step]
-  getExecutions(
-    limit: Int!
-    offset: Int!
-    filters: ExecutionFiltersInput
-  ): ExecutionConnection
   getDynamicData(
     stepId: String!
     key: String!
@@ -301,15 +296,6 @@ type Flow {
   status: FlowStatus
 }
 
-type Execution {
-  id: String
-  testRun: Boolean
-  createdAt: String
-  updatedAt: String
-  status: String
-  flow: Flow
-}
-
 type SamlAuthProvider {
   id: String
   name: String
@@ -609,19 +595,10 @@ type PageInfo {
   totalPages: Int!
 }
 
-type ExecutionEdge {
-  node: Execution
-}
-
 type ExecutionStepEdge {
   node: ExecutionStep
 }
 
-type ExecutionConnection {
-  edges: [ExecutionEdge]
-  pageInfo: PageInfo
-}
-
 type ExecutionStepConnection {
   edges: [ExecutionStepEdge]
   pageInfo: PageInfo
@@ -781,17 +758,6 @@ type Notification {
   description: String
 }
 
-input ExecutionCreatedAtFilterInput {
-  from: String
-  to: String
-}
-
-input ExecutionFiltersInput {
-  flowId: String
-  createdAt: ExecutionCreatedAtFilterInput
-  status: String
-}
-
 schema {
   query: Query
   mutation: Mutation