gnu: rust-r2d2-0.8: Update to 0.8.10.

* gnu/packages/crates-io.scm (rust-r2d2-0.8): Update to 0.8.10.
[cargo-inputs]: Replace rust-parking-lot-0.11 with 0.12.

gnu/packages/crates-io.scm

@@ -18742,7 +18742,7 @@ example.")
         ("rust-num-traits" ,rust-num-traits-0.2)
         ("rust-pq-sys" ,rust-pq-sys-0.4)
         ("rust-quickcheck" ,rust-quickcheck-0.4)
-        ("rust-r2d2" ,rust-r2d2)
+        ("rust-r2d2" ,rust-r2d2-0.8)
         ("rust-serde-json" ,rust-serde-json-1)
         ("rust-time" ,rust-time-0.1)
         ("rust-url" ,rust-url-1)
@@ -32431,7 +32431,7 @@ requires non-const function calls to be computed.")
         ("rust-log" ,rust-log-0.4)
         ("rust-native-tls" ,rust-native-tls-0.2)
         ("rust-nom" ,rust-nom-4)
-        ("rust-r2d2" ,rust-r2d2)
+        ("rust-r2d2" ,rust-r2d2-0.8)
         ("rust-serde" ,rust-serde-1)
         ("rust-serde-derive" ,rust-serde-derive-1)
         ("rust-serde-json" ,rust-serde-json-1))))
@@ -49290,10 +49290,10 @@ transport protocol in Rust.")
 data.")
     (license license:bsd-0)))
 
-(define-public rust-r2d2
+(define-public rust-r2d2-0.8
   (package
     (name "rust-r2d2")
-    (version "0.8.9")
+    (version "0.8.10")
     (source
      (origin
        (method url-fetch)
@@ -49301,12 +49301,12 @@ data.")
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0vxjgh83bss63mkx308p16iwl33s80c781p422f3r5w0p315np2l"))))
+         "14qw32y4m564xb1f5ya8ii7dwqyknvk8bsx2r0lljlmn7zxqbpji"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-log" ,rust-log-0.4)
-        ("rust-parking-lot" ,rust-parking-lot-0.11)
+        ("rust-parking-lot" ,rust-parking-lot-0.12)
         ("rust-scheduled-thread-pool" ,rust-scheduled-thread-pool-0.2))))
     (home-page "https://github.com/sfackler/r2d2")
     (synopsis "Generic connection pool")