workflows: bump vlaurin/action-ghcr-prune from 0.5.0 to 0.6.0 (#8423) #8663

Job	Run time
run-ubuntu-unit-tests (-DFLB_JEMALLOC=On, gcc)	12m 18s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=On, clang)	12m 15s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=Off, gcc)	11m 38s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=Off, clang)	11m 40s
run-ubuntu-unit-tests (-DFLB_SMALL=On, gcc)	11m 58s
run-ubuntu-unit-tests (-DFLB_SMALL=On, clang)	12m 31s
run-ubuntu-unit-tests (-DSANITIZE_ADDRESS=On, gcc)	11m 50s
run-ubuntu-unit-tests (-DSANITIZE_ADDRESS=On, clang)	11m 49s
run-ubuntu-unit-tests (-DSANITIZE_UNDEFINED=On, gcc)	11m 56s
run-ubuntu-unit-tests (-DSANITIZE_UNDEFINED=On, clang)	12m 0s
run-ubuntu-unit-tests (-DFLB_COVERAGE=On, gcc)	43m 7s
run-ubuntu-unit-tests (-DFLB_SANITIZE_MEMORY=On, gcc)	11m 36s
run-ubuntu-unit-tests (-DFLB_SANITIZE_MEMORY=On, clang)	11m 36s
run-ubuntu-unit-tests (-DFLB_SANITIZE_THREAD=On, gcc)	11m 51s
run-ubuntu-unit-tests (-DFLB_SANITIZE_THREAD=On, clang)	11m 41s
run-macos-unit-tests (-DFLB_JEMALLOC=Off)	10m 26s
run-macos-unit-tests (-DFLB_SANITIZE_MEMORY=On)	11m 39s
run-macos-unit-tests (-DFLB_SANITIZE_THREAD=On)	10m 57s
Unit tests (matrix)	1s
	4h 2m 49s

Provide feedback