Convert API SHA bump to a workflow (#5152)

Author: chadwhitacre

.github/workflows/bump-api-schema-sha.yml

@@ -0,0 +1,26 @@
+name: Bump API Schema SHA
+on:
+
+  # This could be run manually, but general expectation is that this fires from GHA in 
+  # getsentry/sentry-api-schema on changes there. See:
+  #
+  #  https://develop.sentry.dev/api/public/#build-process
+
+  workflow_dispatch:
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    name: "Bump API Schema SHA"
+    steps:
+      - uses: actions/checkout@v2
+      - name: "Bump API Schema SHA"
+        shell: bash
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: |
+          filepath="src/gatsby/utils/resolveOpenAPI.ts"
+          sha="$(curl -sSL 'https://api.github.com/repos/getsentry/sentry-api-schema/commits/main' | awk 'BEGIN { RS=",|:{\n"; FS="\""; } $2 == "sha" { print $4 }')"
+          sed -i -e 's|^const SENTRY_API_SCHEMA_SHA =.*$|const SENTRY_API_SCHEMA_SHA = "'$SHA'"|g' "$filepath"
+          git add "$filepath"
+          git commit -m "Bump API schema to $sha"
+          git push