Update legacy safari test for GitHub actions

[ijjk]

It looks like testing with older safari versions is limited based on the port and hostname being used when in specific environments so this updates the test to restrict to compatible settings for testing with safari 10.1 in BrowserStack

x-ref: #10616

[ijjk]

Stats from current PR

Default Server Mode

General

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
buildDuration	10.2s	10.2s	-45ms
nodeModulesSize	54.5 MB	54.5 MB	✓

Client Bundles (main, webpack, commons)

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
main-HASH.js gzip	5.05 kB	5.05 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..b61f.js gzip	12.3 kB	12.3 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	57.2 kB	57.2 kB	✓

Client Bundles (main, webpack, commons) Modern

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
main-HASH.module.js gzip	4.14 kB	4.14 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	9.22 kB	9.22 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	53.2 kB	53.2 kB	✓

Legacy Client Bundles (polyfills)

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
polyfills-HASH.js gzip	18.9 kB	18.9 kB	✓
Overall change	18.9 kB	18.9 kB	✓

Client Pages

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
_app.js gzip	1.06 kB	1.06 kB	✓
_error.js gzip	2.98 kB	2.98 kB	✓
hooks.js gzip	664 B	664 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	1.9 kB	1.9 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	7.38 kB	7.38 kB	✓

Client Pages Modern

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
_app.module.js gzip	577 B	577 B	✓
_error.module.js gzip	2.08 kB	2.08 kB	✓
hooks.module.js gzip	370 B	370 B	✓
index.module.js gzip	212 B	212 B	✓
link.module.js gzip	1.48 kB	1.48 kB	✓
routerDirect..dule.js gzip	271 B	271 B	✓
withRouter.m..dule.js gzip	270 B	270 B	✓
Overall change	5.26 kB	5.26 kB	✓

Client Build Manifests

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
_buildManifest.js gzip	61 B	61 B	✓
_buildManife..dule.js gzip	61 B	61 B	✓
Overall change	122 B	122 B	✓

Rendered Page Sizes

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
index.html gzip	924 B	924 B	✓
link.html gzip	933 B	933 B	✓
withRouter.html gzip	922 B	922 B	✓
Overall change	2.78 kB	2.78 kB	✓

---

Serverless Mode (Decrease detected ✓)

General

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
buildDuration	10.8s	10.9s	⚠️ +130ms
nodeModulesSize	54.5 MB	54.5 MB	✓

Client Bundles (main, webpack, commons)

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
main-HASH.js gzip	5.05 kB	5.05 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..b61f.js gzip	12.3 kB	12.3 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	57.2 kB	57.2 kB	✓

Client Bundles (main, webpack, commons) Modern

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
main-HASH.module.js gzip	4.14 kB	4.14 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	9.22 kB	9.22 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	53.2 kB	53.2 kB	✓

Legacy Client Bundles (polyfills)

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
polyfills-HASH.js gzip	18.9 kB	18.9 kB	✓
Overall change	18.9 kB	18.9 kB	✓

Client Pages

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
_app.js gzip	1.06 kB	1.06 kB	✓
_error.js gzip	2.98 kB	2.98 kB	✓
hooks.js gzip	664 B	664 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	1.9 kB	1.9 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	7.38 kB	7.38 kB	✓

Client Pages Modern

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
_app.module.js gzip	577 B	577 B	✓
_error.module.js gzip	2.08 kB	2.08 kB	✓
hooks.module.js gzip	370 B	370 B	✓
index.module.js gzip	212 B	212 B	✓
link.module.js gzip	1.48 kB	1.48 kB	✓
routerDirect..dule.js gzip	271 B	271 B	✓
withRouter.m..dule.js gzip	270 B	270 B	✓
Overall change	5.26 kB	5.26 kB	✓

Client Build Manifests

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
_buildManifest.js gzip	61 B	61 B	✓
_buildManife..dule.js gzip	61 B	61 B	✓
Overall change	122 B	122 B	✓

Serverless bundles Overall decrease ✓

	zeit/next.js canary	ijjk/next.js fix/legacy-safari-test	Change
_error.js gzip	289 kB	289 kB	⚠️ +241 B
404.html gzip	1.33 kB	1.33 kB	✓
hooks.html gzip	963 B	963 B	✓
index.js gzip	289 kB	290 kB	⚠️ +813 B
link.js gzip	299 kB	297 kB	-1.3 kB
routerDirect.js gzip	298 kB	296 kB	-1.45 kB
withRouter.js gzip	296 kB	298 kB	⚠️ +1.38 kB
Overall change	1.47 MB	1.47 MB	-310 B

Commit: ea340b5