Update example command for uploading multiple reports (#2105)

Update uploading-coverage-in-advanced-scenarios.md

The previous example doesn't work in the official docker image since that is alpine based, the new example works with both GNU and alpine env

Co-authored-by: Nicola Klemenc <[email protected]>

docs/coverage-reporter/uploading-coverage-in-advanced-scenarios.md

@@ -26,12 +26,9 @@ bash <(curl -Ls https://coverage.codacy.com/get.sh) report \
 
 You can also upload all your reports dynamically using the command `find`. For example:
 
-!!! note
-    This example works only on systems that use GNU `find` with support for the `-printf` action, such as Linux.
-
 ```bash
 bash <(curl -Ls https://coverage.codacy.com/get.sh) report \
-    -l Java $(find . -name 'jacoco*.xml' -printf '-r %p ')
+    -l Java $(find . -name 'jacoco*.xml' | sed 's,^, -r ,' | xargs echo)
 ```
 
 ### Uploading reports in sequence {: id="multiple-reports-sequence"}