fix(deps): update dependency @primer/css to v21

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -13,7 +13,7 @@
  "dependencies": {
  "@11ty/eleventy": "^2.0.0",
  "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
- "@primer/css": "^20.0.0",
+ "@primer/css": "^21.0.0",
  "@primer/octicons": "^18.0.0",
  "domutils": "^3.0.0",
  "html-minifier": "^4.0.0",

yarn.lock

@@ -251,6 +251,13 @@ __metadata:
  languageName: node
  linkType: hard
 
+"@github/include-fragment-element@npm:^6.1.1":
+ version: 6.1.1
+ resolution: "@github/include-fragment-element@npm:6.1.1"
+ checksum: 85a9d09df0e544d7d1df539e11d8c14f0eb355e6e6167211678a6fcf779232c8030ea02a93e2313e6901083dfbd81b61ffe199ca56d3e4e7e5b11dbcbb5004f9
+ languageName: node
+ linkType: hard
+
 "@github/mini-throttle@npm:^2.1.0":
  version: 2.1.0
  resolution: "@github/mini-throttle@npm:2.1.0"
@@ -506,20 +513,27 @@ __metadata:
  languageName: node
  linkType: hard
 
+"@oddbird/popover-polyfill@npm:^0.1.1":
+ version: 0.1.1
+ resolution: "@oddbird/popover-polyfill@npm:0.1.1"
+ checksum: 90d77bf9f2313a1c50a452851b8230274f15cc596532f077f3c4d0a2ba619a0253786cd00895385e66b633dd0a7354886176b0b83902eff2043fcabc0349210a
+ languageName: node
+ linkType: hard
+
 "@primer/behaviors@npm:^1.2.0":
  version: 1.3.3
  resolution: "@primer/behaviors@npm:1.3.3"
  checksum: 017cb965a6b7fc2d64c89c636491ad18f195d5cbb28a8ac4fb32e3811f4ca4f85bf8e02aaf94358e6f0a7a4660e98ef97406b3de3dd5bc1bf4a94830798bfa60
  languageName: node
  linkType: hard
 
-"@primer/css@npm:^20.0.0":
- version: 20.8.3
- resolution: "@primer/css@npm:20.8.3"
+"@primer/css@npm:^21.0.0":
+ version: 21.0.0
+ resolution: "@primer/css@npm:21.0.0"
  dependencies:
- "@primer/primitives": ^7.11.1
- "@primer/view-components": ^0.0.120
- checksum: 948733b7cce4d9eb88d68f354423482df095a5f7a6a1bf687f5f09232345b9cd796b0cb7558446c2765dfaaaa5ef457d8e3133e2def7ffe28c777dffff0fb7ef
+ "@primer/primitives": ^7.11.3
+ "@primer/view-components": ^0.1.0
+ checksum: 665a8a6c7cd40c521a156ec51f9a88c18a4c69d1c5961557743c0af76d461222357478463cd9c092ef03c5c0d0136e65badcb9dd263c2fb8698442f0d90e8cb5
  languageName: node
  linkType: hard
 
@@ -532,7 +546,7 @@ __metadata:
  languageName: node
  linkType: hard
 
-"@primer/primitives@npm:^7.11.1":
+"@primer/primitives@npm:^7.11.3":
  version: 7.11.5
  resolution: "@primer/primitives@npm:7.11.5"
  dependencies:
@@ -541,21 +555,23 @@ __metadata:
  languageName: node
  linkType: hard
 
-"@primer/view-components@npm:^0.0.120":
- version: 0.0.120
- resolution: "@primer/view-components@npm:0.0.120"
+"@primer/view-components@npm:^0.1.0":
+ version: 0.1.5
+ resolution: "@primer/view-components@npm:0.1.5"
  dependencies:
  "@github/auto-check-element": ^5.2.0
  "@github/auto-complete-element": ^3.3.4
  "@github/catalyst": ^1.6.0
  "@github/clipboard-copy-element": ^1.1.2
  "@github/details-menu-element": ^1.0.12
  "@github/image-crop-element": ^5.0.0
+ "@github/include-fragment-element": ^6.1.1
  "@github/mini-throttle": ^2.1.0
  "@github/relative-time-element": ^4.0.0
  "@github/tab-container-element": ^3.1.2
+ "@oddbird/popover-polyfill": ^0.1.1
  "@primer/behaviors": ^1.2.0
- checksum: 993a529c4a6a35631c0351e4f71f4de41b60e0d80e2475d2bdf5540e67a36995a77cd3bd5373818382d865622f4e01d3804c451077fda7a7b3c2b9f627d630c7
+ checksum: a4b075bb4b1bd53823622df32d263fc91ca324525145a28b23c15d4ea5d43d0db739946dbcef175ec486c63f8aa3ef0a1f204ce36dba34bcf5abfc8ce4bac8bb
  languageName: node
  linkType: hard
 
@@ -4050,7 +4066,7 @@ __metadata:
  "@11ty/eleventy": ^2.0.0
  "@11ty/eleventy-plugin-syntaxhighlight": ^5.0.0
  "@octokit/rest": ^19.0.0
- "@primer/css": ^20.0.0
+ "@primer/css": ^21.0.0
  "@primer/octicons": ^18.0.0
  "@types/node": ^18.0.3
  "@typescript-eslint/eslint-plugin": ^5.12.1