Fixed proc-macro2 version (#550)

* fixes proc-macro2 in dependencies

* adds missing locked versions, and a verbose print for cargo check

* commits Cargo.lock files

* removes unnecessary Cargo.lock entries

* adds missing Cargo.lock

libraries/persistent_store/fuzz/Cargo.lock

@@ -0,0 +1,126 @@
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+# It is not intended for manual editing.
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