(cherry picked from commit 7fb79c2018b979fdf917f427ca5d3f2451f3265d)

(cherry picked from commit 8aa0899facd01f689692fccdb338673f5e9a9fbd)

(cherry picked from commit bab3437a1feefc49213e1e787db0451491aca9b9)

(cherry picked from commit 52b0bced5d235d7557413e064f3841ea774d9063)

(cherry picked from commit 7df9af5ab1f4b7f1c286d176a8b24be9d3ce8063)

(cherry picked from commit ac42a41ae3e36b002df52882be296c01873c0e5b)

(cherry picked from commit dffb2706a158784e2f3091f895a868e373683bc8)

v0.2.6 release

Bump @primer/css from 12.3.1 to 12.6.0

[Security] Bump lodash from 4.17.11 to 4.17.15

Bump stylelint-config-primer from 7.0.0 to 7.0.1

Bump stylelint from 10.0.1 to 10.1.0

Search improvement branch

Content footer

Bumps [@primer/css](https://github.com/primer/css) from 12.3.1 to 12.6.0.
- [Release notes](https://github.com/primer/css/releases)
- [Changelog](https://github.com/primer/css/blob/master/CHANGELOG.md)
- [Commits](https://github.com/primer/css/compare/v12.3.1...v12.6.0

)

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