Pin dependencies (#1762)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

build/javascript/package-lock.json

@@ -19,9 +19,9 @@
         "video.js": "7.17.0"
       },
       "devDependencies": {
-        "cssnano": "^5.1.0",
-        "postcss": "^8.4.7",
-        "postcss-cli": "^9.1.0"
+        "cssnano": "5.1.0",
+        "postcss": "8.4.7",
+        "postcss-cli": "9.1.0"
       }
     },
     "node_modules/@babel/runtime": {
@@ -1600,9 +1600,9 @@
       }
     },
     "node_modules/postcss-cli/node_modules/fs-extra": {
-      "version": "10.0.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.0.0.tgz",
-      "integrity": "sha512-C5owb14u9eJwizKGdchcDUQeFtlSHHthBk8pbX9Vc1PFZrLombudjDnNns88aYslCyF6IY5SUw3Roz6xShcEIQ==",
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.0.1.tgz",
+      "integrity": "sha512-NbdoVMZso2Lsrn/QwLXOy6rm0ufY2zEOKCDzJR/0kBsb0E6qed0P3iYK+Ath3BfvXEeu4JhEtXLgILx5psUfag==",
       "dev": true,
       "dependencies": {
         "graceful-fs": "^4.2.0",
@@ -4297,9 +4297,9 @@
       },
       "dependencies": {
         "fs-extra": {
-          "version": "10.0.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.0.0.tgz",
-          "integrity": "sha512-C5owb14u9eJwizKGdchcDUQeFtlSHHthBk8pbX9Vc1PFZrLombudjDnNns88aYslCyF6IY5SUw3Roz6xShcEIQ==",
+          "version": "10.0.1",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.0.1.tgz",
+          "integrity": "sha512-NbdoVMZso2Lsrn/QwLXOy6rm0ufY2zEOKCDzJR/0kBsb0E6qed0P3iYK+Ath3BfvXEeu4JhEtXLgILx5psUfag==",
           "dev": true,
           "requires": {
             "graceful-fs": "^4.2.0",

build/javascript/package.json

@@ -14,9 +14,9 @@
     "video.js": "7.17.0"
   },
   "devDependencies": {
-    "cssnano": "^5.1.0",
-    "postcss": "^8.4.7",
-    "postcss-cli": "^9.1.0"
+    "cssnano": "5.1.0",
+    "postcss": "8.4.7",
+    "postcss-cli": "9.1.0"
   },
   "snowpack": {
     "install": [