cache: add valkey backend layer

Cargo.lock

@@ -90,6 +90,15 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
+[[package]]
+name = "arc-swap"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a3a1fd6f75306b68087b831f025c712524bcb19aad54e557b1129cfa0a2b207"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "argon2"
 version = "0.5.3"
@@ -209,6 +218,15 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "backon"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cffb0e931875b666fc4fcb20fee52e9bbd1ef836fd9e9e04ec21555f9f85f7ef"
+dependencies = [
+ "fastrand",
+]
+
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -298,6 +316,20 @@ dependencies = [
  "inout",
 ]
 
+[[package]]
+name = "combine"
+version = "4.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba5a308b75df32fe02788e748662718f03fde005016435c444eea572398219fd"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "memchr",
+ "pin-project-lite",
+ "tokio",
+ "tokio-util",
+]
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -499,6 +531,7 @@ dependencies = [
  "crank-schema",
  "futures-util",
  "hkdf",
+ "redis",
  "serde",
  "serde_json",
  "sha2",
@@ -1075,7 +1108,7 @@ dependencies = [
  "libc",
  "percent-encoding",
  "pin-project-lite",
- "socket2",
+ "socket2 0.6.3",
  "tokio",
  "tower-service",
  "tracing",
@@ -1429,6 +1462,16 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
+dependencies = [
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-bigint-dig"
 version = "0.8.6"
@@ -1867,7 +1910,7 @@ dependencies = [
  "quinn-udp",
  "rustc-hash",
  "rustls",
- "socket2",
+ "socket2 0.6.3",
  "thiserror",
  "tokio",
  "tracing",
@@ -1904,7 +1947,7 @@ dependencies = [
  "cfg_aliases",
  "libc",
  "once_cell",
- "socket2",
+ "socket2 0.6.3",
  "tracing",
  "windows-sys 0.59.0",
 ]
@@ -1989,6 +2032,30 @@ dependencies = [
  "getrandom 0.3.4",
 ]
 
+[[package]]
+name = "redis"
+version = "0.29.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc42f3a12fd4408ce64d8efef67048a924e543bd35c6591c0447fda9054695f"
+dependencies = [
+ "arc-swap",
+ "backon",
+ "bytes",
+ "combine",
+ "futures-channel",
+ "futures-util",
+ "itoa",
+ "num-bigint",
+ "percent-encoding",
+ "pin-project-lite",
+ "ryu",
+ "sha1_smol",
+ "socket2 0.5.10",
+ "tokio",
+ "tokio-util",
+ "url",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.18"
@@ -2338,6 +2405,12 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha1_smol"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbfa15b3dddfee50a0fff136974b3e1bde555604ba463834a7eb7deb6417705d"
+
 [[package]]
 name = "sha2"
 version = "0.10.9"
@@ -2389,6 +2462,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e22376abed350d73dd1cd119b57ffccad95b4e585a7cda43e286245ce23c0678"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "socket2"
 version = "0.6.3"
@@ -2774,7 +2857,7 @@ dependencies = [
  "libc",
  "mio",
  "pin-project-lite",
- "socket2",
+ "socket2 0.6.3",
  "tokio-macros",
  "windows-sys 0.61.2",
 ]
@@ -2859,7 +2942,7 @@ dependencies = [
  "hyper-util",
  "percent-encoding",
  "pin-project",
- "socket2",
+ "socket2 0.6.3",
  "sync_wrapper",
  "tokio",
  "tokio-stream",