fix(snapshot): make inline comment-skip regex non-greedy

[martypdx]

Description

Multiple toMatchInlineSnapshot / toThrowErrorMatchingInlineSnapshot calls in a single file that carry block-comment directives (e.g. /* HTML */) corrupt each other on --update: only the last snapshot is written — mangled — and the earlier ones are silently left empty.

Root cause. The comment-skip alternative in defaultStartObjectRegex and defaultStartRegex (packages/snapshot/src/port/inlineSnapshot.ts) uses a greedy \/\*[\s\S]*\*\/. When several such calls share a file, the per-call match runs from that call's /* to the last call's */, so each earlier call's computed start index lands inside the last call. MagicString then coalesces the overlapping overwrite()s onto that one location. The run still reports success, so the corruption is silent.

Repro (vitest --update):

test('x', () => {
  expect('a').toMatchInlineSnapshot(/* HTML */)
  expect('b').toMatchInlineSnapshot(/* HTML */)
  expect('c').toMatchInlineSnapshot(/* HTML */)
})

Before — only the last call writes, mangled; a/b are left empty:

  expect('a').toMatchInlineSnapshot(/* HTML */)
  expect('b').toMatchInlineSnapshot(/* HTML */)
  expect('c').toMatchInlineSnapshot(/* HTML */`"a"``"b"``"c"`)

After — each call writes on its own line:

  expect('a').toMatchInlineSnapshot(/* HTML */`"a"`)
  expect('b').toMatchInlineSnapshot(/* HTML */`"b"`)
  expect('c').toMatchInlineSnapshot(/* HTML */`"c"`)

Fix. Make the comment-skip lazy ([\s\S]* → [\s\S]*?) in both regexes. A block comment cannot legally contain */, so the lazy form is equivalent for valid input — it simply stops at each call's own comment close.

Related: #8632 is a different comment-position case (a comment between the method name and (), single call); it is not addressed by this change.

Tests

Adds an e2e regression — test/e2e/snapshots/inline-comment-directive.test.ts with fixture test/e2e/snapshots/fixtures/inline-multiple-calls/comment-directive.test.ts. It fails before this change (only gamma written, mangled) and passes after.

Verified locally:

• New regression: fails on main, passes with the fix.
• Existing inline-multiple-calls, soft-inline, domain-inline e2e suites: pass.
• Unit snapshot-inline suite: pass.
• No pnpm-lock.yaml changes.