[8.11] Upgrade handlebars from v4.7.7 to v4.7.8 (#171511) (#171548)

# Backport

This will backport the following commits from `main` to `8.11`:
- [Upgrade handlebars from v4.7.7 to v4.7.8
(#171511)](#171511)

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

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

<!--BACKPORT [{"author":{"name":"Thomas
Watson","email":"[email protected]"},"sourceCommit":{"committedDate":"2023-11-20T14:26:16Z","message":"Upgrade
handlebars from v4.7.7 to v4.7.8
(#171511)","sha":"48711622bd14f00207300f187683934f1c4ac898","branchLabelMapping":{"^v8.12.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","backport:all-open","v8.12.0"],"number":171511,"url":"https://github.com/elastic/kibana/pull/171511","mergeCommit":{"message":"Upgrade
handlebars from v4.7.7 to v4.7.8
(#171511)","sha":"48711622bd14f00207300f187683934f1c4ac898"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v8.12.0","labelRegex":"^v8.12.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/171511","number":171511,"mergeCommit":{"message":"Upgrade
handlebars from v4.7.7 to v4.7.8
(#171511)","sha":"48711622bd14f00207300f187683934f1c4ac898"}}]}]
BACKPORT-->

Co-authored-by: Thomas Watson <[email protected]>

package.json

@@ -904,7 +904,7 @@
     "getos": "^3.1.0",
     "globby": "^11.1.0",
     "gpt-tokenizer": "^2.1.2",
-    "handlebars": "4.7.7",
+    "handlebars": "4.7.8",
     "he": "^1.2.0",
     "history": "^4.9.0",
     "hjson": "3.2.1",

packages/kbn-handlebars/scripts/check_for_upstream_updates.sh

@@ -34,7 +34,7 @@ else
   echo "     our local versions of these files (located in"
   echo "     'packages/kbn-handlebars/src/spec')."
   echo
-  echo "     https://github.com/handlebars-lang/handlebars.js/compare/$hash...4.x"
+  echo "     https://github.com/handlebars-lang/handlebars.js/compare/$expected_hash...4.x"
   echo
   echo "  2. Execute the following script and commit the updated '$HASH_FILE'"
   echo "     file including any changes you made to our own spec files."

packages/kbn-handlebars/src/spec/.upstream_git_hash

@@ -1 +1 @@
-c65c6cce3f626e4896a9d59250f0908be695adae
+eab1d141cb4a1d93375d7380ed070aa1f576a2c9

yarn.lock

@@ -18007,13 +18007,13 @@ handle-thing@^2.0.0:
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
   integrity sha512-d4sze1JNC454Wdo2fkuyzCr6aHcbL6PGGuFAz0Li/NcOm1tCHGnWDRmJP85dh9IhQErTc2svWFEX5xHIOo//kQ==
 
-[email protected].7, handlebars@^4.7.7:
-  version "4.7.7"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.7.tgz#9ce33416aad02dbd6c8fafa8240d5d98004945a1"
-  integrity sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==
+[email protected].8, handlebars@^4.7.7:
+  version "4.7.8"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.8.tgz#41c42c18b1be2365439188c77c6afae71c0cd9e9"
+  integrity sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==
   dependencies:
     minimist "^1.2.5"
-    neo-async "^2.6.0"
+    neo-async "^2.6.2"
     source-map "^0.6.1"
     wordwrap "^1.0.0"
   optionalDependencies:
@@ -22842,7 +22842,7 @@ [email protected], negotiator@^0.6.2, negotiator@^0.6.3:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.3.tgz#58e323a72fedc0d6f9cd4d31fe49f51479590ccd"
   integrity sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==
 
-neo-async@^2.5.0, neo-async@^2.6.0, neo-async@^2.6.1, neo-async@^2.6.2:
+neo-async@^2.5.0, neo-async@^2.6.1, neo-async@^2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
   integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==