Extract npm 7 project fixtures and update specs

Extract all project based spec fixtures from npm7 pr to reduce diff:
#3011

The file updater specs changes are copied but excluding the npm 7
specifc specs.

npm_and_yarn/spec/fixtures/projects/npm7/bogus_version/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "test",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/waltfy/PROTO_TEST.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/waltfy/PROTO_TEST/issues"
+  },
+  "homepage": "https://github.com/waltfy/PROTO_TEST#readme",
+  "dependencies": {
+    "fetch-factory": "^0.0.1",
+    "lodash": "^199.0.0"
+  },
+  "devDependencies": {
+    "etag": "^1.0.0"
+  }
+}

npm_and_yarn/spec/fixtures/projects/npm7/git_dependency/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "bump-test",
+  "version": "0.0.1",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/gocardless/bump-test.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/gocardless/bump-test/issues"
+  },
+  "homepage": "https://github.com/gocardless/bump-test#readme",
+  "dependencies": {
+    "chalk": "0.4.0",
+    "lodash": "^1.2.1",
+    "stopwords": "0.0.1"
+  },
+  "devDependencies": {
+    "is-number": "https://github.com/jonschlinkert/is-number.git"
+  }
+}