feat: optimize expressions parsing using pest Pratt parser

Cargo.lock

sbroad-benches/benches/parse.rs

.../test_app/test/integration/arbitrary_expressions_test.lua

...rtridge/test_app/test/integration/target_queries_test.lua

sbroad-cartridge/test_app/test/integration/update_test.lua

sbroad-core/Cargo.toml

sbroad-core/src/backend/sql/ir.rs

sbroad-core/src/backend/sql/ir/tests/selection.rs

sbroad-core/src/backend/sql/ir/tests/sub_query.rs

sbroad-core/src/backend/sql/tree.rs

sbroad-core/src/backend/sql/tree/tests.rs

sbroad-core/src/executor.rs

sbroad-core/src/executor/bucket.rs

sbroad-core/src/executor/bucket/tests.rs

sbroad-core/src/executor/engine/helpers.rs

sbroad-core/src/executor/ir.rs

sbroad-core/src/executor/tests.rs

sbroad-core/src/executor/tests/between.rs

sbroad-core/src/executor/tests/concat.rs

sbroad-core/src/executor/tests/exec_plan.rs