Specify `this` type for BaseLogger methods #13653

Job	Run time
Node.js example	1m 4s
Workflow Lint	59s
Analyse Dead Code	59s
JSDoc Checker	59s
Typescript Syntax Check	1m 1s
ESLint	59s
Downstream tsc element-web	0s
Downstream Typescript Syntax Check	4s
	6m 5s

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