message: appservicemock.ts: Satisfy linter
diff: @@ -167,7 +167,7 @@ class IntentMock extends AppserviceMockBase {
  this.funcCalled("sendText", roomId, body);
  }
  - public sendEvent(roomId: string, content: any) {
  + public sendEvent(roomId: string, content: Record<string, unknown>) {
  this.funcCalled("sendEvent", roomId, content);
  }
  @@ -218,7 +218,7 @@ class MatrixClientMock extends AppserviceMockBase {
  this.funcCalled("kickUser", roomId, userId);
  }
  - public sendStateEvent(roomId: string, type: string, stateKey: string, content: {}) {
  + public sendStateEvent(roomId: string, type: string, stateKey: string, content: Record<string, unknown>) {
  this.funcCalled("sendStateEvent", roomId, type, stateKey, content);
  }
  