fix(build): use pipefail to fail builds (#11637)

Author: caugner

Diff for: .github/workflows/dev-build.yml

@@ -131,6 +131,8 @@ jobs:
           REACT_APP_DISABLE_AUTH: true
 
         run: |
+          set -eo pipefail
+
           # Info about which CONTENT_* environment variables were set and to what.
           echo "CONTENT_ROOT=$CONTENT_ROOT"
           echo "CONTENT_TRANSLATED_ROOT=$CONTENT_TRANSLATED_ROOT"

Diff for: .github/workflows/prod-build.yml

@@ -255,6 +255,7 @@ jobs:
           REACT_APP_AI_FEEDBACK_GITHUB_REPO: mdn/ai-feedback
 
         run: |
+          set -eo pipefail
 
           # Info about which CONTENT_* environment variables were set and to what.
           echo "CONTENT_ROOT=$CONTENT_ROOT"

Diff for: .github/workflows/stage-build.yml

@@ -269,6 +269,7 @@ jobs:
           SENTRY_RELEASE: ${{ github.sha }}
 
         run: |
+          set -eo pipefail
 
           # Info about which CONTENT_* environment variables were set and to what.
           echo "CONTENT_ROOT=$CONTENT_ROOT"

Diff for: .github/workflows/test-build.yml

@@ -160,6 +160,7 @@ jobs:
           # Observatory
           REACT_APP_OBSERVATORY_API_URL: https://observatory-api.mdn.allizom.net
         run: |
+          set -eo pipefail
 
           # Info about which CONTENT_* environment variables were set and to what.
           echo "CONTENT_ROOT=$CONTENT_ROOT"