more strict error type checking in most packages and backend plugins

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/code-coverage-backend/src/service/CoverageUtils.test.ts

@@ -208,7 +208,7 @@ describe('CodeCoverageUtils', () => {
         };
         // @ts-ignore
         utils.validateRequestBody(mockRequest as Request);
-      } catch (error) {
+      } catch (error: any) {
         err = error;
       }
       expect(err?.message).toEqual('Content-Type missing');
@@ -226,7 +226,7 @@ describe('CodeCoverageUtils', () => {
 
         // @ts-ignore
         utils.validateRequestBody(mockRequest as Request);
-      } catch (error) {
+      } catch (error: any) {
         err = error;
       }
       expect(err?.message).toEqual('Illegal Content-Type');