test: fix TAV=@hapi/hapi test failure with node v8

[trentm]

The 'http.request' instrumentation fix in #3090 uncovered a bug in our
tests for @hapi/hapi when with node v8 (a version before
http.request(url, opts, cb) was supported in node). This fixes that.

This also updates the .tav.yml section for '@hapi/hapi' to align with
logic in "_is_hapi_incompat.js" so the TAV tests don't waste time
installing a version of Hapi for which tests will be skipped anyway.

Refs: #3090

---

A TAV test failure example is here: https://apm-ci.elastic.co/blue/organizations/jenkins/apm-agent-nodejs%2Fapm-agent-nodejs-mbp/detail/main/578/pipeline/2844
The test hanged:

.ci/scripts/test.sh -b "release" -t "@hapi/hapi" "8" 
...
[2023-01-18T07:05:32.394Z] node_tests_1  | -- required packages ["@hapi/[email protected]"]
[2023-01-18T07:05:32.394Z] node_tests_1  | -- installing ["@hapi/[email protected]"]
[2023-01-18T07:05:47.859Z] node_tests_1  | -- running test "node test/instrumentation/modules/hapi/basic.test.js" with @hapi/hapi
[2023-01-18T07:05:49.066Z] node_tests_1  | (node:136) UnhandledPromiseRejectionWarning: TypeError: "listener" argument must be a function
[2023-01-18T07:05:49.066Z] node_tests_1  |     at ClientRequest.once (events.js:340:11)
[2023-01-18T07:05:49.066Z] node_tests_1  |     at new ClientRequest (_http_client.js:174:10)
[2023-01-18T07:05:49.066Z] node_tests_1  |     at Object.request (http.js:39:10)
[2023-01-18T07:05:49.066Z] node_tests_1  |     at Object.request (/app/lib/instrumentation/http-shared.js:224:21)
[2023-01-18T07:05:49.066Z] node_tests_1  |     at /app/test/instrumentation/modules/hapi/shared.js:99:25
[2023-01-18T07:05:49.066Z] node_tests_1  |     at server.start.then (/app/test/instrumentation/modules/hapi/shared.js:606:15)
[2023-01-18T07:05:49.066Z] node_tests_1  |     at <anonymous>
[2023-01-18T07:05:49.066Z] node_tests_1  |     at process._tickCallback (internal/process/next_tick.js:189:7)
[2023-01-18T07:05:49.066Z] node_tests_1  | (node:136) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
[2023-01-18T07:05:49.066Z] node_tests_1  | (node:136) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
[2023-01-18T08:48:48.480Z] Sending interrupt signal to process

[trentm]

run module tests for @hapi/hapi

[trentm]

run module tests for @hapi/hapi

[ghost]

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• Start Time: 2023-01-18T18:21:56.717+0000

• Duration: 35 min 23 sec

Test stats 🧪

Test	Results
Failed	0
Passed	322188
Skipped	0
Total	322188

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