fix: update svelte-eslint-parser to v0.19.0 (#274)

* fix: update svelte-eslint-parser to v0.19.0

* Create good-poets-happen.md

* test: update test cases

Author: ota-meshi

.changeset/good-poets-happen.md

@@ -0,0 +1,6 @@
+---
+"eslint-plugin-svelte": minor
+---
+
+fix: update svelte-eslint-parser to v0.19.0. See [release note](https://github.com/ota-meshi/svelte-eslint-parser/releases/tag/v0.19.0)
+

package.json

@@ -73,7 +73,7 @@
     "postcss-load-config": "^3.1.4",
     "postcss-safe-parser": "^6.0.0",
     "sourcemap-codec": "^1.4.8",
-    "svelte-eslint-parser": "^0.18.0"
+    "svelte-eslint-parser": "^0.19.0"
   },
   "devDependencies": {
     "@1stg/browserslist-config": "^1.2.3",

tests/fixtures/rules/@typescript-eslint/no-unnecessary-condition/invalid/binary-expression01-errors.yaml

@@ -2,7 +2,3 @@
   line: 4
   column: 13
   suggestions: null
-- message: Unnecessary conditional, both sides of the expression are literal values.
-  line: 8
-  column: 9
-  suggestions: null

tests/fixtures/rules/@typescript-eslint/no-unnecessary-condition/invalid/nullish-coalescing01-errors.yaml

@@ -3,8 +3,3 @@
   line: 5
   column: 13
   suggestions: null
-- message: Unnecessary conditional, left-hand side of `??` operator is always
-    `null` or `undefined`.
-  line: 9
-  column: 9
-  suggestions: null

tests/fixtures/rules/@typescript-eslint/no-unnecessary-condition/invalid/optional-chaining01-errors.yaml

@@ -2,7 +2,3 @@
   line: 4
   column: 16
   suggestions: null
-- message: Unnecessary optional chain on a non-nullish value.
-  line: 8
-  column: 12
-  suggestions: null

tests/fixtures/rules/@typescript-eslint/no-unnecessary-condition/invalid/optional-chaining01-output.svelte

@@ -5,6 +5,6 @@
   $: b = foo?.length
   $: {
     let bar: null | string = "abc"
-    c = bar.length
+    c = bar?.length
   }
 </script>