chore(deps): bump fast-xml-parser from 4.4.1 to 4.5.6 in /functions

Bumps [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser) from 4.4.1 to 4.5.6.
- [Release notes](https://github.com/NaturalIntelligence/fast-xml-parser/releases)
- [Changelog](https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/NaturalIntelligence/fast-xml-parser/compare/v4.4.1...v4.5.6)

---
updated-dependencies:
- dependency-name: fast-xml-parser
  dependency-version: 4.5.6
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

functions/package-lock.json

@@ -920,17 +920,13 @@
       "optional": true
     },
     "node_modules/fast-xml-parser": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.4.1.tgz",
-      "integrity": "sha512-xkjOecfnKGkSsOwtZ5Pz7Us/T6mrbPQrq0nh+aCO5V9nk5NLWmasAHumTKjiPJPWANe+kAZ84Jc8ooJkzZ88Sw==",
+      "version": "4.5.6",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.5.6.tgz",
+      "integrity": "sha512-Yd4vkROfJf8AuJrDIVMVmYfULKmIJszVsMv7Vo71aocsKgFxpdlpSHXSaInvyYfgw2PRuObQSW2GFpVMUjxu9A==",
       "funding": [
         {
           "type": "github",
           "url": "https://github.com/sponsors/NaturalIntelligence"
-        },
-        {
-          "type": "paypal",
-          "url": "https://paypal.me/naturalintelligence"
         }
       ],
       "optional": true,
@@ -3150,9 +3146,9 @@
       "optional": true
     },
     "fast-xml-parser": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.4.1.tgz",
-      "integrity": "sha512-xkjOecfnKGkSsOwtZ5Pz7Us/T6mrbPQrq0nh+aCO5V9nk5NLWmasAHumTKjiPJPWANe+kAZ84Jc8ooJkzZ88Sw==",
+      "version": "4.5.6",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.5.6.tgz",
+      "integrity": "sha512-Yd4vkROfJf8AuJrDIVMVmYfULKmIJszVsMv7Vo71aocsKgFxpdlpSHXSaInvyYfgw2PRuObQSW2GFpVMUjxu9A==",
       "optional": true,
       "requires": {
         "strnum": "^1.0.5"