Bump terser from 5.12.1 to 5.17.7

[dependabot]

Bumps terser from 5.12.1 to 5.17.7.

Changelog

Sourced from terser's changelog.

v5.17.7

• Update some dependencies
• Add consistent sorting for v RegExp flag
• Add inert DOM attribute to domprops

v5.17.6

• Fixes to mozilla AST input and output, for class properties, private properties and static blocks
• Fix outputting a shorthand property in quotes when safari10 and ecma=2015 options are enabled
• configurable and enumerable, used in Object.defineProperty, added to domprops (#1393)

v5.17.5

• Take into account the non-deferred bits of a class, such as static properties, while dropping unused code.

v5.17.4

• Fix crash when trying to negate a class (!class{})
• Avoid outputting comments between yield/await and its argument
• Fix detection of left-hand-side of assignment, to avoid optimizing it like any other expression in some edge cases

v5.17.3

• Fix issue with trimming a static class property's contents accessing the class as this.

v5.17.2

• Be less conservative when detecting use-before-definition of var in hoisted functions.
• Support unusual (but perfectly valid) initializers of for-in and for-of loops.
• Fix issue where hoisted function would be dropped if it was after a continue statement

v5.17.1

• Fix evaluating .length when the source array might've been mutated

v5.17.0

• Drop vestigial = undefined default argument in IIFE calls (#1366)
• Evaluate known arrays' .length property when statically determinable
• Add @__KEY__ annotation to mangle string literals (#1365)

v5.16.9

• Fix parentheses in output of optional chains (a?.b) (#1374)
• More documentation on source maps (#1368)
• New lhs_constants option, allowing to stop Terser from swapping comparison operands (#1361)

v5.16.8

• Become even less conservative around function definitions for reduce_vars
• Fix parsing context of import.meta expressions such that method calls are allowed

v5.16.6

• Become less conservative with analyzing function definitions for reduce_vars
• Parse import.meta as a real AST node and not an object.property

... (truncated)

Commits

• 4e35109 5.17.7
• 4e57ffd update changelog
• f250ca4 Add inert HTML attribute to domprops. Closes #1395
• f9567fd add 'v' flag to RegExp flag sorting
• bc932d9 add some spidermonkey tests
• 96278c7 update for node 16 functional tests, avoid duplicate runs in PRs
• 3adfa36 update some packages (#1394)
• 5995c32 5.17.6
• f76ad9a improve mozilla AST IO for private properties and class static blocks
• e307556 shorten test:compress output
• Additional commits viewable in compare view

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