Scanner fails with "Error: return #17000 is missing call #95"

Seen when running Analysis in GitHub Actions:

    at /home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/scanner/built/cli/scan.js:89:29
    at Generator.next (<anonymous>)
    at fulfilled (/home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/scanner/built/cli/scan.js:5:58) {
  [cause]: Error: return #17000 is missing call #95
      at H.add (/home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/models/dist/index.cjs:3:8115)
      at Q.add (/home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/models/dist/index.cjs:3:8525)
      at /home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/models/dist/index.cjs:3:9705
      at Array.forEach (<anonymous>)
      at Ee.source (/home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/models/dist/index.cjs:3:9556)
      at new Ee (/home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/models/dist/index.cjs:3:9316)
      at B (/home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/models/dist/index.cjs:3:12413)
      at /home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/scanner/built/cli/scan.js:75:57
      at Generator.next (<anonymous>)
      at fulfilled (/home/runner/.npm/_npx/5eabe842035cb8e3/node_modules/@appland/scanner/built/cli/scan.js:5:58)
}

Same user also encountered the issue with a slightly different stack:

    at H.add (/snapshot/appmap-js/packages/models/dist/index.cjs:3:8115)
    at Q.add (/snapshot/appmap-js/packages/models/dist/index.cjs:3:8525)
    at /snapshot/appmap-js/packages/models/dist/index.cjs:3:9705
    at Array.forEach (<anonymous>)
    at Ee.source (/snapshot/appmap-js/packages/models/dist/index.cjs:3:9556)
    at parseHTTPServerRequests (/snapshot/appmap-js/packages/openapi/dist/parseHTTPServerRequests.js:5:48)
    at OpenAPICommand.collectAppMap (/snapshot/appmap-js/packages/cli/built/cmds/openapi.js:84:51)

Start by reproducing Analysis in GitHub Actions with the referenced AppMap JSON file. Read packages/models and the parseHTTPServerRequests entry point, then trace the scanner path through scan.js and OpenAPICommand.collectAppMap; done means the reported AppMap is processed without the missing-call error.