Temp dependency update

This updates ledger-specs wih an has from master. The `node` update
however is a special branch being used just to make progress on the
rewards issue. This branch of `db-sync` cannot be merged to master
until `node` has been updated.

cabal.project

@@ -121,7 +121,7 @@ source-repository-package
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/cardano-ledger-specs
-  tag: ec51e4fb1b17461ab612cf427b79f1742942e8cb
+  tag: 5ddef26dac3638df72453e183a419f8f5193dd33
   --sha256: 05bwy7x1asyfshqsfsyv2c70qwrxp4680xlvhwdm1hz9bi0lpq41
   subdir:
     alonzo/impl
@@ -144,7 +144,7 @@ source-repository-package
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/cardano-node
-  tag: 191b91eec3c7d845a55347781329d50bf36871d7
+  tag: 4178789f7a259c581c8dd8cd1968a1493292e0fe
   --sha256: 1y0a80fmrqf7561yqp4p2vx36yrhh83222b01sall2rk791y4yf0
   subdir:
     cardano-api
@@ -212,7 +212,7 @@ source-repository-package
   type: git
   location: https://github.com/input-output-hk/plutus
   tag: 15121dd4dc66df7c17c6c0f2f4a8702ad841c020
-  --sha256: 1g5jm1r58x5ly3vsk8hr3dviqnv1bqhxi2b87vmr53554pd6zcqp
+  --sha256: 1g8a09klw3qzjyawzvsrn1d584gdcbabx50gra04dlq736a4982r
   subdir:
     plutus-core
     plutus-ledger-api