RPC_Digitization+sTGC_Digitization: cmake fix

Library dependency fixes.

This merge request affects 2 packages:

• MuonSpectrometer/MuonDigitization/RPC_Digitization
• MuonSpectrometer/MuonDigitization/sTGC_Digitization

Adding @jchapman ,@rosati ,@wleight ,@nkoehler as watchers

added Digitization MuonSpectrometer master review-pending-level-1 labels

CI Result SUCCESS (hash c8e5d46f)

	Athena	AthSimulation	AnalysisBase	AthGeneration
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 15536]

The changes are fine and there are no CI issues. Approving.

Jason (L1)

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit a25427ab

added sweep:ignore label