chore: fix gradle signing configuration fallback if no certificate ch… #192

Job	Run time
get-matrix / Load Build Matrix	4s
get-matrix / Load Build Matrix	4s
build-test (linux-x64, ubuntu-latest) / Language Server	1m 42s
build-test (linux-x64, ubuntu-latest) / Language Server	1m 42s
build-test (win-x64, windows-latest) / Language Server	4m 2s
build-test (win-x64, windows-latest) / Language Server	4m 2s
build-test (linux-x64, ubuntu-latest) / IntelliJ Plugin	2m 41s
build-test (linux-x64, ubuntu-latest) / IntelliJ Plugin	2m 41s
build-test (linux-x64, ubuntu-latest) / VsCode Extension	2m 17s
build-test (linux-x64, ubuntu-latest) / VsCode Extension	2m 17s
build-test (win-x64, windows-latest) / IntelliJ Plugin	3m 21s
build-test (win-x64, windows-latest) / IntelliJ Plugin	3m 21s
build-test (win-x64, windows-latest) / VsCode Extension	5m 5s
build-test (win-x64, windows-latest) / VsCode Extension	4m 53s
	38m 12s

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