chore(deps): pin dependencies

This MR contains the following updates:

Package	Type	Update	Change
@babel/cli (source)	devDependencies	pin	^7.8.4 -> 7.8.4
@babel/core (source)	devDependencies	pin	^7.8.4 -> 7.8.4
@babel/plugin-proposal-class-properties (source)	devDependencies	pin	^7.8.3 -> 7.8.3
@babel/plugin-proposal-object-rest-spread (source)	devDependencies	pin	^7.8.3 -> 7.8.3
@babel/preset-env (source)	devDependencies	pin	^7.8.4 -> 7.8.4
@babel/preset-react (source)	devDependencies	pin	^7.8.3 -> 7.8.3
babel-loader	devDependencies	pin	^8.0.6 -> 8.0.6
concurrently	devDependencies	pin	^3.5.1 -> 3.6.1
css-loader	devDependencies	pin	^3.4.2 -> 3.4.2
dotenv-webpack	devDependencies	pin	^7.1.0 -> 7.1.0
html-webpack-plugin	devDependencies	pin	^3.2.0 -> 3.2.0
react (source)	devDependencies	pin	^16.12.0 -> 16.12.0
react-dom (source)	devDependencies	pin	^16.12.0 -> 16.12.0
semantic-release	devDependencies	pin	^19.0.2 -> 19.0.2
style-loader	devDependencies	pin	^0.21.0 -> 0.21.0
webpack	devDependencies	pin	^4.41.5 -> 4.41.5
webpack-cli	devDependencies	pin	^3.3.10 -> 3.3.10
webpack-dev-server	devDependencies	pin	^3.10.3 -> 3.10.3

📌 Important: Renovate will wait until you have merged this Pin MR before creating any upgrade MRs for the affected packages. Add the preset :preserveSemverRanges to your config if you instead don't wish to pin dependencies.

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