fix(deps): update dependency solc to v0.8.21

package.json

@@ -125,7 +125,7 @@
     "rollup-plugin-terser": "5.3.0",
     "sass": "^1.26.3",
     "sinon": "9.0.1",
-    "solc": "0.6.4",
+    "solc": "0.8.21",
     "solc4": "0.4.25",
     "stream": "0.0.2",
     "style-loader": "^1.1.3",

yarn.lock

@@ -4167,16 +4167,16 @@ commander@2, commander@^2.11.0, commander@^2.15.0, commander@^2.20.0, commander@
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
 
-[email protected]:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
-  integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
-
 commander@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-5.0.0.tgz#dbf1909b49e5044f8fdaf0adc809f0c0722bdfd0"
   integrity sha512-JrDGPAKjMGSP1G0DUoaceEJ3DZgAfr/q6X7FVk4+U5KxUSKviYGM2k6zWkfyyBHy5rAtzgYJFa1ro2O9PtoxwQ==
 
+commander@^8.1.0:
+  version "8.3.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-8.3.0.tgz#4837ea1b2da67b9c616a67afbb0fafee567bca66"
+  integrity sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww==
+
 commander@~4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-4.1.1.tgz#9fd602bd936294e9e9ef46a3f4d6964044b18068"
@@ -6816,6 +6816,11 @@ follow-redirects@^1.0.0:
   dependencies:
     debug "^3.0.0"
 
+follow-redirects@^1.12.1:
+  version "1.15.2"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.2.tgz#b460864144ba63f2681096f274c4e57026da2c13"
+  integrity sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==
+
 for-in@^0.1.4:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-0.1.8.tgz#d8773908e31256109952b1fdb9b3fa867d2775e1"
@@ -13647,7 +13652,7 @@ require-from-string@^1.1.0:
   resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-1.2.1.tgz#529c9ccef27380adfec9a2f965b649bbee636418"
   integrity sha1-UpyczvJzgK3+yaL5ZbZJu+5jZBg=
 
-require-from-string@^2.0.0, require-from-string@^2.0.2:
+require-from-string@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.2.tgz#89a7fdd938261267318eafe14f9c32e598c36909"
   integrity sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==
@@ -14645,17 +14650,16 @@ [email protected]:
     semver "^5.3.0"
     yargs "^4.7.1"
 
-solc@0.6.4:
-  version "0.6.4"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.6.4.tgz#4b0f11fccd6f5ef9802c6bb1c007abb16881c2ca"
-  integrity sha512-HjUCys7ue9n7lGCa1XNf+wDdEY/wY64CpwnD4iPxW+BYYUX6ytwWXKitoolPXOOVxq4jewvwtL7Pngs+5k954A==
+solc@0.8.21:
+  version "0.8.21"
+  resolved "https://registry.yarnpkg.com/solc/-/solc-0.8.21.tgz#c3cd505c360ea2fa0eaa5ab574ef96bffb1a2766"
+  integrity sha512-N55ogy2dkTRwiONbj4e6wMZqUNaLZkiRcjGyeafjLYzo/tf/IvhHY5P5wpe+H3Fubh9idu071i8eOGO31s1ylg==
   dependencies:
     command-exists "^1.2.8"
-    commander "3.0.2"
-    fs-extra "^0.30.0"
+    commander "^8.1.0"
+    follow-redirects "^1.12.1"
     js-sha3 "0.8.0"
     memorystream "^0.3.1"
-    require-from-string "^2.0.0"
     semver "^5.5.0"
     tmp "0.0.33"