Bump braces and rollup-pluginutils

[dependabot[bot]]

Removes braces. It's no longer used after updating ancestor dependency rollup-pluginutils. These dependencies need to be updated together.

Removes braces

Updates rollup-pluginutils from 2.6.0 to 2.8.2

Changelog

Sourced from rollup-pluginutils's changelog.

2.8.2

2019-09-13

• Handle optional catch parameter in attachScopes (#70)

2.8.1

2019-06-04

• Support serialization of many edge cases (#64)

2.8.0

2019-05-30

• Bundle updated micromatch dependency (#60)

2.7.1

2019-05-17

• Do not ignore files with a leading "." in createFilter (#62)

2.7.0

2019-05-15

• Add resolve option to createFilter (#59)

Commits

• 3038972 2.8.2
• c94af05 Merge pull request #70 from styfle/patch-1
• c67f1d7 Use empty array
• ea6ed78 Add test
• a653e20 Fix optional catch binding
• 2d05b16 chore: fix a million audit warnings (#69)
• 64211c3 Bump lodash from 4.17.11 to 4.17.15 (#66)
• dd3ab0c Bump mixin-deep from 1.3.1 to 1.3.2 (#68)
• e59d5fb Update minor dependencies
• 3e27e60 2.8.1
• Additional commits viewable in compare view

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