Release 4.7.6

• Merge branch 'master' of https://github.com/nestjs/swagger (54f7204)
• fix(plugin): dont parse stringified numbers when type is string (c7403c1)
• chore(deps): update dependency husky to v4.3.6 (db89dd9)
• chore(deps): update dependency typescript to v4.1.3 (cbe879e)
• chore(deps): update dependency @types/jest to v26.0.19 (9a90afc)
• chore(deps): update nest monorepo to v7.6.1 (d99755d)
• chore(deps): update dependency @types/jest to v26.0.18 (0d37ec0)
• chore(deps): update dependency @types/jest to v26.0.17 (2e114ff)
• chore(deps): update typescript-eslint monorepo to v4.9.1 (c24d5e3)
• chore(deps): update dependency husky to v4.3.5 (2448571)
• chore(deps): update dependency eslint-config-prettier to v7 (2e86596)
• chore(deps): update dependency eslint to v7.15.0 (45f603d)
• chore(deps): update dependency lint-staged to v10.5.3 (84930e3)
• Merge pull request #1064 from Tony133/docs/update-contribute (45519a2)
• docs(contributing): update contribution guide (f30aa7c)
• chore(deps): update dependency @types/jest to v26.0.16 (6fc4d4b)
• chore(deps): update typescript-eslint monorepo to v4.9.0 (84ff923)
• chore(deps): update dependency prettier to v2.2.1 (54097b1)
• chore(deps): update dependency release-it to v14.2.2 (cf0d833)
• chore(deps): update dependency lint-staged to v10.5.2 (1d28c1c)
• chore(deps): update typescript-eslint monorepo to v4.8.2 (f0027ee)
• chore(deps): update nest monorepo to v7.5.5 (917922d)
• chore(deps): update dependency eslint to v7.14.0 (a51a17d)
• chore(deps): update dependency prettier to v2.2.0 (65c9af3)
• chore(deps): update dependency typescript to v4.1.2 (dd4634e)
• chore(deps): update dependency swagger-ui-express to v4.1.5 (0616647)
• chore(deps): update nest monorepo to v7.5.4 (ef048fe)
• chore(deps): update typescript-eslint monorepo to v4.8.1 (e26eb74)
• chore(deps): update nest monorepo to v7.5.3 (8e3ed3b)