Freely configurable suffix for generated .js files #2990

Job	Run time
static-binaries-linux (ubuntu-latest)	2m 6s
static-binaries-linux (buildjet-2vcpu-ubuntu-2204-arm)	2m 4s
upload-linux-arm64-binaries	23s
build (macos-latest, 4.14.0)	11m 28s
build (ubuntu-latest, 4.14.0)	7m 58s
build (windows-latest, 4.14.0)	11m 46s
build (macos-arm, 4.14.0)	6m 26s
package	1m 38s
installationTest (macos-latest)	23s
installationTest (macos-arm)	19s
installationTest (ubuntu-latest)	23s
installationTest (buildjet-2vcpu-ubuntu-2204-arm)	18s
installationTest (windows-latest)	46s
publish	0s
	45m 58s

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