fix: reproducible build (II)

Turns out yarn fails silently when registry.js.ipfs.io is down
so docker build was always flawed.

To fix it ASAP we switch to yarn repo and bump version to make a new
stable and reproducible release for Mozilla.

add-on/manifest.common.json

@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "__MSG_manifest_extensionName__",
   "short_name": "__MSG_manifest_shortExtensionName__",
-  "version": "2.7.2",
+  "version": "2.7.3",
   "description": "__MSG_manifest_extensionDescription__",
   "homepage_url": "https://github.com/ipfs-shipyard/ipfs-companion",
   "author": "IPFS Community",

package.json

@@ -59,8 +59,8 @@
     "ci:install": "npx yarn@1.12.3 install --frozen-lockfile || npx yarn@1.12.3 install --frozen-lockfile",
     "ci:test": "npx yarn@1.12.3 test",
     "ci:build": "./ci/update-manifest.sh ; npx yarn@1.12.3 build ; chmod -R ugo+rwX build/ add-on/",
-    "beta-build": "docker build -t ipfs-companion . && docker run -it -e RELEASE_CHANNEL=beta -v $(pwd)/build:/usr/src/app/build ipfs-companion yarn ci:build",
-    "release-build": "docker build -t ipfs-companion . && docker run -it -e RELEASE_CHANNEL=stable -v $(pwd)/build:/usr/src/app/build ipfs-companion yarn ci:build",
+    "beta-build": "docker build -t ipfs-companion . && docker run -it --net=host -e RELEASE_CHANNEL=beta -v $(pwd)/build:/usr/src/app/build ipfs-companion yarn ci:build",
+    "release-build": "docker build -t ipfs-companion . && docker run -it --net=host -e RELEASE_CHANNEL=stable -v $(pwd)/build:/usr/src/app/build ipfs-companion yarn ci:build",
     "dev-build": "npx yarn@1.12.3 && npx yarn@1.12.3 build",
     "yarn-build": "npm run dev-build"
   },