resolve lint warnings in inter-protocol

[turadg]

refs: #6000

Description

Part of #6000 though we'll need to do this again before release.

Output of NODE_OPTIONS='--max-old-space-size=8192' AGORIC_ESLINT_TYPES=true yarn lint before:

/opt/agoric/agoric-sdk/packages/inter-protocol/scripts/add-initial-liquidity.js
  168:5  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises

/opt/agoric/agoric-sdk/packages/inter-protocol/src/price/priceAggregatorChainlink.js
  186:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises

/opt/agoric/agoric-sdk/packages/inter-protocol/src/proposals/demoIssuers.js
  289:47  warning  Unexpected `await` expression (not top of async function or `for-await-of` body)  @jessie.js/no-nested-await
  307:11  warning  Unexpected `await` expression (not top of async function or `for-await-of` body)  @jessie.js/no-nested-await
  494:37  warning  Unexpected `await` expression (not top of async function or `for-await-of` body)  @jessie.js/no-nested-await
  629:39  warning  Unexpected `await` expression (not top of async function or `for-await-of` body)  @jessie.js/no-nested-await

/opt/agoric/agoric-sdk/packages/inter-protocol/src/proposals/price-feed-proposal.js
  125:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises
  171:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises
  180:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises

/opt/agoric/agoric-sdk/packages/inter-protocol/src/vaultFactory/liquidation.js
  47:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises

/opt/agoric/agoric-sdk/packages/inter-protocol/test/psm/test-psm.js
  345:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises
  357:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises
  485:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises
  500:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises

/opt/agoric/agoric-sdk/packages/inter-protocol/test/smartWallet/test-oracle-integration.js
   44:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises
  240:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises

/opt/agoric/agoric-sdk/packages/inter-protocol/test/smartWallet/test-psm-integration.js
  43:3  warning  Promises must be awaited, end with a call to .catch, end with a call to .then with a rejection handler or be explicitly marked as ignored with the `void` operator  @typescript-eslint/no-floating-promises

✖ 17 problems (0 errors, 17 warnings)

And empty after.

Security Considerations

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Documentation Considerations

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Testing Considerations

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[dckc]

thanks for tidying up around the shop

[dckc]

this script is somewhat obsolete. hm.

anyway... this fix looks right.