Bump mammoth from 1.4.19 to 1.6.0

[dependabot]

Bumps mammoth from 1.4.19 to 1.6.0.

Changelog

Sourced from mammoth's changelog.

1.6.0

• Add transformDocument to the TypeScript declarations.

• Support merged paragraphs when revisions are tracked.

• Use xmldom instead of sax to parse XML documents. This should remove the need to polyfill stream in the browser.

• Adjust the internal implementation to remove the use of Buffer on the critical path, and provide APIs to read images and documents with embedded style maps without using Buffer. This should remove the need to polyfill Buffer in the browser. Since TextDecoder is now used, the minimum version of node.js is now v12.

• Remove the use of the util module. This should remove the need to polyfill util in the browser.

1.5.1

• Fix: npm 7 changed the behaviour of prepublish, causing the browser build not to be updated before publishing to npm. We now use prepare instead of prepublish, which has the same behaviour that prepublish previously had.

1.5.0

• Only use the alt text of image elements as a fallback. If an alt attribute is returned from the function passed to mammoth.images.imgElement, that value will now be preferred to the alt text of the image element.

1.4.21

• Ignore w:u elements when w:val is missing.

1.4.20

• Emit warning instead of throwing exception when image file cannot be found for a:blip elements.

Commits

• a975f4c Bump version to 1.6.0
• 75526ff Update NEWS
• bb744a1 Check TypeScript declarations are valid
• b02278f Add additional read methods to Image in TypeScript declarations
• aabc9cf Update NEWS for removal of polyfills
• e12c1e5 Add toArrayBuffer when embedding a style map
• 84fffea Remove mention of polyfills in README
• ad794b9 Document that read methods return promises
• 20dda84 Update docs for reading images
• 82f8d24 Support readAsBuffer() on images
• Additional commits viewable in compare view

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