[Security] Bump tar from 4.4.1 to 4.4.8

[dependabot-preview[bot]]

Bumps tar from 4.4.1 to 4.4.8. This update includes security fixes.

Vulnerabilities fixed

*Sourced from The GitHub Security Advisory Database.* > **High severity vulnerability that affects tar** > A vulnerability was found in node-tar before version 4.4.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. > > Affected versions: < 4.4.2

Commits

- [`074c89b`](https://github.com/npm/node-tar/commit/074c89b1e639485468706af3c141a68ef8826728) 4.4.8 - [`c7bc240`](https://github.com/npm/node-tar/commit/c7bc2406eb23f624968271f9df3c917cae22e5c3) Fix hardlink extraction with strip. - [`0068764`](https://github.com/npm/node-tar/commit/0068764b53ed487300fd081922027767f4842e5e) Fix example typo - [`88d6071`](https://github.com/npm/node-tar/commit/88d6071c248042e29258f6f72c1b71721904cf22) 4.4.7 - [`41fce66`](https://github.com/npm/node-tar/commit/41fce66068cd532019be9ce8e1e3186361198466) Fix [#190](https://github-redirect.dependabot.com/npm/node-tar/issues/190): polyfill Buffer in lib/parse.js for node v4 <4.5 - [`ec2581a`](https://github.com/npm/node-tar/commit/ec2581af264c99c280ecfa7401c243b321cec2c1) clarify EOF error messages - [`6c95323`](https://github.com/npm/node-tar/commit/6c953230a12343490af7030e828cf9302f63b4d9) write-entry: handle shrinked file size than expected by lstat - [`34bdf6b`](https://github.com/npm/node-tar/commit/34bdf6b6b89091a3b0b4a8409b9c944dcce36f3b) travis: no windows. A known failing test is worse than no test. - [`dcab9b8`](https://github.com/npm/node-tar/commit/dcab9b8cc3cf4e82e96063d33dec8278670ab332) travis: add windows - [`4eb4e9b`](https://github.com/npm/node-tar/commit/4eb4e9b6c73977e2080c10a596cfd66b0d140265) travis: Add node 10, remove 4 - Additional commits viewable in [compare view](https://github.com/npm/node-tar/compare/v4.4.1...v4.4.8)

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[Br3nda]

Failing at: watai tests/integration

[dependabot-preview[bot]]

Superseded by #220.