"Error outputting keys and certificates" when adding APNS notifications to Amplify

### How did you install the Amplify CLI?

npm

### If applicable, what version of Node.js are you using?

v18.13.0

### Amplify CLI Version

12.1.1

### What operating system are you using?

Mac

### Did you make any manual changes to the cloud resources managed by Amplify? Please describe the changes made.

No manual changes made

### Describe the bug

In my Flutter project I'm trying to add notifications with APNS. When I do this I get the following error message after giving the path to the .p12 certificate and writing the non-existent password (just pressing enter):

```
Error outputting keys and certificates
00DEF7DD01000000:error:0308010C:digital envelope routines:inner_evp_generic_fetch:unsupported:crypto/evp/evp_fetch.c:341:Global default library context, Algorithm (RC2-40-CBC : 0), Properties ()
🛑 Command failed: openssl pkcs12 -in /Users/joakimrosenfeldtpedersen/Certificates.p12 -out /var/folders/cy/n2b5gjxj4dv1mztr65gpklgc0000gn/T/temp.pem -nodes -passin pass:
Error outputting keys and certificates
00DEF7DD01000000:error:0308010C:digital envelope routines:inner_evp_generic_fetch:unsupported:crypto/evp/evp_fetch.c:341:Global default library context, Algorithm (RC2-40-CBC : 0), Properties ()

Resolution: Please report this issue at https://github.com/aws-amplify/amplify-cli/issues and include the project identifier from: 'amplify diagnose --send-report'
Learn more at: https://docs.amplify.aws/cli/project/troubleshooting/

Session Identifier: 72137838-7a44-4758-bd28-aa0766d0a711

✅ Report saved: /var/folders/cy/n2b5gjxj4dv1mztr65gpklgc0000gn/T/MellonnSpeakEU/report-1689771320910.zip

✔ Done

Project Identifier: 369c3e3e1f86cb7691bd7b7aef05de77
```

### Expected behavior

Amplify notifications should be added to the project without any problems.

### Reproduction steps

1. Create Flutter project and add Amplify to it.
2. Follow the official guide to add Notifications to said project.

### Project Identifier

369c3e3e1f86cb7691bd7b7aef05de77

### Log output

```
# Put your logs below this line
2023-07-19T12:53:29.435Z|info : amplify add notifications
2023-07-19T12:53:29.533Z|info : @aws-amplify/amplify-cli-core.banner-message/index.ts.fetch banner messages from https://aws-amplify.github.io/amplify-cli/banner-message.json({}
2023-07-19T12:53:31.250Z|info : amplify-provider-awscloudformation.system-config-manager.getProfileConfig(["MacBookPro2021Amplify"])
2023-07-19T12:53:31.252Z|info : amplify-provider-awscloudformation.system-config-manager.getProfiledAwsConfig.profileConfig([{"region":"eu-central-1"}])
2023-07-19T12:53:31.253Z|info : amplify-provider-awscloudformation.system-config-manager.getProfileCredentials(["MacBookPro2021Amplify"])
2023-07-19T12:55:23.323Z|error : Command failed: openssl pkcs12 -in /Users/joakimrosenfeldtpedersen/Certificates.p12 -out /var/folders/cy/n2b5gjxj4dv1mztr65gpklgc0000gn/T/temp.pem -nodes -passin pass:
Error outputting keys and certificates
00DEF7DD01000000:error:0308010C:digital envelope routines:inner_evp_generic_fetch:unsupported:crypto/evp/evp_fetch.c:341:Global default library context, Algorithm (RC2-40-CBC : 0), Properties ()

UnknownFault: Command failed: openssl pkcs12 -in /Users/joakimrosenfeldtpedersen/Certificates.p12 -out /var/folders/cy/n2b5gjxj4dv1mztr65gpklgc0000gn/T/temp.pem -nodes -passin pass:
Error outputting keys and certificates
00DEF7DD01000000:error:0308010C:digital envelope routines:inner_evp_generic_fetch:unsupported:crypto/evp/evp_fetch.c:341:Global default library context, Algorithm (RC2-40-CBC : 0), Properties ()

```

### Additional information

_No response_

### Before submitting, please confirm:

- [X] I have done my best to include a minimal, self-contained set of instructions for consistently reproducing the issue.
- [X] I have removed any sensitive information from my code snippets and submission.