Adding architectures breaks apt

[ryankurte]

Due to the use of binary-specific custom repos with no other arch directories, see: https://github.com/ryankurte/action-apt/runs/638358722?check_suite_focus=true

...

2020-05-02T06:58:05.2918019Z Reading package lists...
2020-05-02T06:58:05.3313818Z E: Failed to fetch http://azure.archive.ubuntu.com/ubuntu/dists/bionic/main/binary-armhf/Packages  404  Not Found [IP: 52.177.174.250 80]
2020-05-02T06:58:05.3314941Z E: Failed to fetch http://azure.archive.ubuntu.com/ubuntu/dists/bionic-updates/main/binary-armhf/Packages  404  Not Found [IP: 52.177.174.250 80]
2020-05-02T06:58:05.3315660Z E: Failed to fetch http://azure.archive.ubuntu.com/ubuntu/dists/bionic-backports/main/binary-armhf/Packages  404  Not Found [IP: 52.177.174.250 80]
2020-05-02T06:58:05.3316332Z E: Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/main/binary-armhf/Packages  404  Not Found [IP: 91.189.91.39 80]
2020-05-02T06:58:05.3316704Z E: Some index files failed to download. They have been ignored, or old ones used instead.
2020-05-02T06:58:05.3337540Z ##[error]The process '/usr/bin/sudo' failed with exit code 100

[ryankurte]

Waiting on actions/runner-images#1961 which resolves this in the upstream images, can remove patch.sh when this is released.