Release 2.5.0

• Bundle 2.5.0 (5142189)
• Merge pull request #62 from Automattic/update/toolbar (82b69ed)
• Update changelog for 2.5 (e6cc0f4)
• Merge pull request #73 from Automattic/lint-collab (ffd7953)
• Fix remaining errors in collab files (078ab7d)
• Add missing dependencies to package.json (fd7eae2)
• Autofix lint issues in collab-related files (8302595)
• Merge pull request #72 from Automattic/eslint-prettier (a522ec7)
• Rebundle (6fc976f)
• Restore the toolbar slot (62f9e25)
• Merge pull request #74 from Automattic/storybook/iso-editor (c08c772)
• Storybook: Add stories for IsolatedBlockEditor (a19aa0c)
• Tweak eslintrc for better typescript support (2ac686f)
• Make prettier work (0343e69)
• Make eslint work again (d3a9e6b)
• Merge pull request #70 from Automattic/storybook-peer-reset (3734d6e)
• Storybook: Add a reset button for Collab story (0a2a9b0)
• Bundle (3958ad2)
• Remove fixedToolbar default (2d9d63a)
• Remove unnecessary toolbar CSS (507270f)
• Also show toolbar if selectorTool is enabled (fdeb74c)
• Fix the fixedToolbar preference (83a49b6)
• Update all packages (9b3e70c)
• Change the onLoad to also accept a Promise (ce12bf4)
• Update toolbar to match core (0538fbd)
• Use BlockTools (0eb3d87)
• Remove block editor effects (071dae2)