Bump postcss from 8.4.16 to 8.4.39

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.16 to 8.4.39.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.16...8.4.39)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -2332,10 +2332,10 @@ nanoid@3.3.1:
   resolved "https://registry.npmjs.org/nanoid/-/nanoid-3.3.1.tgz"
   integrity sha512-n6Vs/3KGyxPQd6uO0eH4Bv0ojGSUvuLlIHtC3Y0kEO23YRge8H9x1GCzLn28YX0H66pMkxuaeESFq4tKISKwdw==
 
-nanoid@^3.3.4:
-  version "3.3.4"
-  resolved "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz"
-  integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
+nanoid@^3.3.7:
+  version "3.3.7"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.7.tgz#d0c301a691bc8d54efa0a2226ccf3fe2fd656bd8"
+  integrity sha512-eSRppjcPIatRIMC1U6UngP8XFcz8MQWGQdt1MTBQ7NaAmvXDfvNxbvWV3x2y6CdEUciCSsDHDQZbhYaB8QEo2g==
 
 natural-compare@^1.4.0:
   version "1.4.0"
@@ -2617,10 +2617,10 @@ pgpass@1.x:
   dependencies:
     split2 "^4.1.0"
 
-picocolors@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz"
-  integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
+picocolors@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.1.tgz#a8ad579b571952f0e5d25892de5445bcfe25aaa1"
+  integrity sha512-anP1Z8qwhkbmu7MFP5iTt+wQKXgwzf7zTyGlcdzabySa9vd0Xt392U0rVmz9poOaBj0uHJKyyo9/upk0HrEQew==
 
 picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.2.3:
   version "2.3.0"
@@ -2638,13 +2638,13 @@ pkginfo@^0.4.1:
   integrity sha512-8xCNE/aT/EXKenuMDZ+xTVwkT8gsoHN2z/Q29l80u0ppGEXVvsKRzNMbtKhg8LS8k1tJLAHHylf6p4VFmP6XUQ==
 
 postcss@^8.3.11:
-  version "8.4.16"
-  resolved "https://registry.npmjs.org/postcss/-/postcss-8.4.16.tgz"
-  integrity sha512-ipHE1XBvKzm5xI7hiHCZJCSugxvsdq2mPnsq5+UF+VHCjiBvtDrlxJfMBToWaP9D5XlgNmcFGqoHmUn0EYEaRQ==
+  version "8.4.39"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.39.tgz#aa3c94998b61d3a9c259efa51db4b392e1bde0e3"
+  integrity sha512-0vzE+lAiG7hZl1/9I8yzKLx3aR9Xbof3fBHKunvMfOCYAtMhrsnccJY2iTURb9EZd5+pLuiNV9/c/GZJOHsgIw==
   dependencies:
-    nanoid "^3.3.4"
-    picocolors "^1.0.0"
-    source-map-js "^1.0.2"
+    nanoid "^3.3.7"
+    picocolors "^1.0.1"
+    source-map-js "^1.2.0"
 
 postgres-array@~2.0.0:
   version "2.0.0"
@@ -3037,10 +3037,10 @@ slice-ansi@^4.0.0:
     astral-regex "^2.0.0"
     is-fullwidth-code-point "^3.0.0"
 
-source-map-js@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz"
-  integrity sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==
+source-map-js@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.2.0.tgz#16b809c162517b5b8c3e7dcd315a2a5c2612b2af"
+  integrity sha512-itJW8lvSA0TXEphiRoawsCksnlf8SyvmFzIhltqAHluXd88pkCd+cXJVHTDwdCr0IzwptSm035IHQktUu1QUMg==
 
 source-map-support@^0.5.6:
   version "0.5.20"