Filter by stage for the removing API mapping

[rddimon]

Fixes #251

Description of Issue Fixed
Fixed update and delete api mappings for the specific stage

Changes proposed in this pull request:

• ApiGateway fix
• Packages updates

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[amplify-self-hosted-runners]

Check Name	Conclusion	Summary	Output
SonarCloud Code Analysis	success	Quality Gate passed	output
Codacy Static Code Analysis	success	Your pull request is up to standards!	output
Mend Security Check	neutral	Security Report	output
Mend License Check	neutral	License Report	output
test (14.x)	success	test (14.x)	output
test (16.x)	success	test (16.x)	output
test (18.x)	success	test (18.x)	output
test (20.x)	success	test (20.x)	output