Chore: Revert "chore(deps): Upgrade rocksdb and jemalloc", and add cargo.lock changes clippy discovered

This reverts commit 1af92add88.
This reverts commit 779374bb54.

chore(deps): update rust crate syn to v3.0.10

src/service/Cargo.toml

@@ -16,12 +16,6 @@ crate-type = [
 ]
 
 [features]
-bindgen-runtime = [
-    "conduwuit-database/bindgen-runtime"
-]
-bindgen-static = [
-    "conduwuit-database/bindgen-static"
-]
 brotli_compression = [
 	"conduwuit-core/brotli_compression",
 	"reqwest/brotli",
@@ -35,9 +29,6 @@ gzip_compression = [
 	"conduwuit-core/gzip_compression",
 	"reqwest/gzip",
 ]
-http3 = [
-    "reqwest/http3"
-]
 io_uring = [
 	"conduwuit-database/io_uring",
 ]
@@ -131,9 +122,6 @@ lettre.workspace = true
 resolvematrix.workspace = true
 serde_urlencoded.workspace = true
 openidconnect.workspace = true
-# We use this to set TLS backend features on the outdated reqwest bundled by openidconnect,
-# which is necessary to call `danger_accept_invalid_certs`.
-reqwest_0_12.workspace = true
 rand.workspace = true
 
 [target.'cfg(all(unix, target_os = "linux"))'.dependencies]