[8.11] [Synthetics] Update package to 1.5.0 (#168941) (#168952)

# Backport

This will backport the following commits from `main` to `8.11`:
- [[Synthetics] Update package to 1.5.0
(#168941)](#168941)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT
[{"author":{"name":"Shahzad","email":"[email protected]"},"sourceCommit":{"committedDate":"2023-10-16T11:36:43Z","message":"[Synthetics]
Update package to 1.5.0
(#168941)","sha":"caa4028cecd237fe30df5871c8ce20e6c8e1b81c","branchLabelMapping":{"^v8.12.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v8.11.0","v8.12.0"],"number":168941,"url":"https://github.com/elastic/kibana/pull/168941","mergeCommit":{"message":"[Synthetics]
Update package to 1.5.0
(#168941)","sha":"caa4028cecd237fe30df5871c8ce20e6c8e1b81c"}},"sourceBranch":"main","suggestedTargetBranches":["8.11"],"targetPullRequestStates":[{"branch":"8.11","label":"v8.11.0","labelRegex":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v8.12.0","labelRegex":"^v8.12.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/168941","number":168941,"mergeCommit":{"message":"[Synthetics]
Update package to 1.5.0
(#168941)","sha":"caa4028cecd237fe30df5871c8ce20e6c8e1b81c"}}]}]
BACKPORT-->

Co-authored-by: Shahzad <[email protected]>

package.json

@@ -1100,7 +1100,7 @@
     "@cypress/webpack-preprocessor": "^5.12.2",
     "@elastic/eslint-plugin-eui": "0.0.2",
     "@elastic/makelogs": "^6.1.1",
-    "@elastic/synthetics": "^1.4.0",
+    "@elastic/synthetics": "^1.5.0",
     "@emotion/babel-preset-css-prop": "^11.11.0",
     "@emotion/jest": "^11.11.0",
     "@frsource/cypress-plugin-visual-regression-diff": "^3.3.10",
@@ -1561,7 +1561,7 @@
     "pirates": "^4.0.1",
     "piscina": "^3.2.0",
     "pixelmatch": "^5.3.0",
-    "playwright": "=1.37.0",
+    "playwright": "=1.38.0",
     "pngjs": "^3.4.0",
     "postcss": "^8.4.31",
     "postcss-loader": "^4.2.0",