Add parsing for base64 filters #4416

Job	Run time
package-generic-linux-x64	2m 39s
package-generic-linux-aarch64	25m 22s
package-deb-x64	4m 56s
package-macos-aarch64	5m 47s
package-macos-x64	8m 49s
package-windows-x64	18m 33s
test-dockerfile-x64	5m 24s
test-generic-linux-on-docker-debian-x64	2m 45s
test-generic-linux-on-docker-fedora-x64	2m 29s
test-generic-linux-on-docker-ubuntu-x64	4m 14s
test-generic-linux-on-docker-archlinux-x64	6m 18s
package-anatomy	19s
	1h 27m 35s

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