docs: update error message for const_tag_invalid_placement (#15003)

Author: paoloricciuti

documentation/docs/98-reference/.generated/compile-errors.md

@@ -187,7 +187,7 @@ Cyclical dependency detected: %cycle%
 ### const_tag_invalid_placement
 
 ```
-`{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>` or `<Component>`
+`{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>`, `<svelte:boundary` or `<Component>`
 ```
 
 ### constant_assignment

packages/svelte/messages/compile-errors/template.md

@@ -118,7 +118,7 @@
 
 ## const_tag_invalid_placement
 
-> `{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>` or `<Component>`
+> `{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>`, `<svelte:boundary` or `<Component>`
 
 ## debug_tag_invalid_arguments
 

packages/svelte/src/compiler/errors.js

@@ -888,12 +888,12 @@ export function const_tag_invalid_expression(node) {
 }
 
 /**
- * `{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>` or `<Component>`
+ * `{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>`, `<svelte:boundary` or `<Component>`
  * @param {null | number | NodeLike} node
  * @returns {never}
  */
 export function const_tag_invalid_placement(node) {
-	e(node, 'const_tag_invalid_placement', `\`{@const}\` must be the immediate child of \`{#snippet}\`, \`{#if}\`, \`{:else if}\`, \`{:else}\`, \`{#each}\`, \`{:then}\`, \`{:catch}\`, \`<svelte:fragment>\` or \`<Component>\`\nhttps://svelte.dev/e/const_tag_invalid_placement`);
+	e(node, 'const_tag_invalid_placement', `\`{@const}\` must be the immediate child of \`{#snippet}\`, \`{#if}\`, \`{:else if}\`, \`{:else}\`, \`{#each}\`, \`{:then}\`, \`{:catch}\`, \`<svelte:fragment>\`, \`<svelte:boundary\` or \`<Component>\`\nhttps://svelte.dev/e/const_tag_invalid_placement`);
 }
 
 /**

packages/svelte/tests/validator/samples/const-tag-placement-1/errors.json

@@ -1,7 +1,7 @@
 [
 	{
 		"code": "const_tag_invalid_placement",
-		"message": "`{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>` or `<Component>`",
+		"message": "`{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>`, `<svelte:boundary` or `<Component>`",
 		"start": {
 			"line": 5,
 			"column": 0

packages/svelte/tests/validator/samples/const-tag-placement-2/errors.json

@@ -1,7 +1,7 @@
 [
 	{
 		"code": "const_tag_invalid_placement",
-		"message": "`{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>` or `<Component>`",
+		"message": "`{@const}` must be the immediate child of `{#snippet}`, `{#if}`, `{:else if}`, `{:else}`, `{#each}`, `{:then}`, `{:catch}`, `<svelte:fragment>`, `<svelte:boundary` or `<Component>`",
 		"start": {
 			"line": 7,
 			"column": 4