TrigL2MuonSA+TMMT: add AccumulatorCache for Muons

Add AccumulatorCache on l2MuFastAlgCfg and *AlgSequenceCfg. Reduces CA configuration time by ~130 seconds.

Relates to ATR-26996.

The relevant lines from the cache statistics:

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AccumulatorCache                                                       |    Hits (time) |  Misses (time) |
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TriggerMenuMT.HLT.Muon.MuonMenuSequences.muEFSAAlgSequenceCfg          |    329 (60.4s) |      2 (16.3s) |
TrigL2MuonSA.TrigL2MuonSAConfig.l2MuFastAlgCfg                         |    660 ( 7.4s) |      2 ( 0.9s) |
TriggerMenuMT.HLT.Muon.MuonMenuSequences.muEFSAFSAlgSequenceCfg        |     39 ( 7.4s) |      1 (10.6s) |
TriggerMenuMT.HLT.Muon.MuonMenuSequences.muFastAlgSequenceCfg          |    329 ( 6.3s) |      2 ( 2.4s) |