Ensure prod beta build is created when merging to master

[danjm]

Currently, the builds generated by the prep-build-beta step of CI only produce development builds. This PR ensures that prod builds are created by that step when merging to master

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[Gudahtt]

LGTM! One suggestion to improve a step name though.

[metamaskbot]

Builds ready [32fef17]

• builds: chrome, firefox
• builds (beta): chrome, firefox
• builds (flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (2309 ± 101 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	94	154	119	15	7
		domContentLoaded	1848	2600	2289	207	100
		load	1848	2629	2309	209	101
		domInteractive	1848	2600	2289	207	100

Bundle size diffs

• background: 0 bytes
• ui: 0 bytes
• common: 0 bytes

[Gudahtt]

Also, we should make the same change for the Flask builds (though that does not need to be in this PR)

[metamaskbot]

Builds ready [a0a4f87]

• builds: chrome, firefox
• builds (beta): chrome, firefox
• builds (flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (2164 ± 134 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	98	2159	238	444	213
		domContentLoaded	1751	2599	2143	275	132
		load	1776	2693	2164	279	134
		domInteractive	1751	2599	2143	275	132

Bundle size diffs

• background: 0 bytes
• ui: 0 bytes
• common: 0 bytes